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- Good articles
104 (barge)- 115 (barge)
- 129 (barge)
- Belgian ship A4
- Russian submarine AG-22
- Ottoman battleship Abdül Kadir
- HMS Aboukir (1900)
- HMS Acasta (H09)
- HMS Achilles (1863)
- HMS Achilles (1905)
- Action of 13 May 1779
- HMS Active (1869)
- HMS Active (1911)
- Active-class cruiser
- HMS Adamant (1780)
- Russian monitor Admiral Chichagov
- Admiral-class battlecruiser
- German cruiser Admiral Graf Spee
- Russian monitor Admiral Greig
- Admiral Hipper-class cruiser
- German cruiser Admiral Hipper
- Soviet cruiser Admiral Isachenkov
- Soviet cruiser Admiral Isakov
- Russian monitor Admiral Lazarev
- Admiral Lazarev-class monitor
- Soviet cruiser Admiral Makarov (1970)
- Russian cruiser Admiral Makarov
- Soviet cruiser Admiral Nakhimov (1969)
- Admiral Nakhimov-class cruiser
- Soviet cruiser Admiral Oktyabrsky
- German cruiser Admiral Scheer
- SMS Admiral Spaun
- Russian monitor Admiral Spiridov
- Admiral Spiridov-class monitor
- USS Admiralty Islands
- MS Adzharistan
- SMS Ägir
- Italian ironclad Affondatore
- HMS Africa (1905)
- HMS Afridi (F07)
- HMS Agamemnon (1781)
- HMS Agamemnon (1906)
- USS Agamenticus
- Japanese cruiser Agano
- HMS Agincourt (1865)
- Italian cruiser Agordat
- Agordat-class cruiser
- Aircraft maintenance carriers of the Royal Navy
- USS Ajax (1864)
- HMS Ajax (1880)
- HMS Ajax (1912)
- Japanese battleship Aki
- JDS Akishio
- USS Alabama (BB-8)
- USS Alabama (BB-60)
- Brazilian monitor Alagoas
- USS Alaska (CB-1)
- USS Albany (1846)
- SMS Albatross (1907)
- HMS Albemarle (1901)
- HMS Albion (1898)
- HMS Aldenham
- CS Alert (1890)
- SMS Alexandrine
- French cruiser Alger
- HMS Algerine (J213)
- French ironclad Alma
- Alma-class ironclad
- ARA Almirante Brown (1880)
- HMS Alpheus
- Italian frigate Alpino (F 580)
- Alsace-class battleship
- Alsedo-class destroyer
- Alvin Clark (schooner)
- Japanese aircraft carrier Amagi
- Italian cruiser Amalfi
- HMS Amazon (1795)
- HMS Amazon (1799)
- Amazon-class frigate (1795)
- SMS Amazone
- SS American (1900)
- French cruiser Amiral Aube
- Amiral Baudin-class ironclad
- French ironclad Amiral Baudin
- French submarine Amiral Bourgois
- French cruiser Amiral Cécille
- French cruiser Amiral Charner
- Amiral Charner-class cruiser
- French ironclad Amiral Duperré
- Ammiraglio di Saint Bon-class battleship
- Italian battleship Ammiraglio di Saint Bon
- USS Ampere
- HMS Amphion (1911)
- Italian ironclad Ancona
- Italian ironclad Andrea Doria
- Italian battleship Andrea Doria
- Russian battleship Andrei Pervozvanny
- Andrei Pervozvanny-class battleship
- HMS Andromeda (1897)
- HMS Anne (1915)
- HMS Anson (79)
- HMS Anson (1886)
- HSwMS Äran
- SMS Arcona (1885)
- SMS Arcona (1902)
- HMS Ardent (H41)
- Italian cruiser Aretusa
- Argentine–Chilean naval arms race
- SMS Ariadne
- SMS Ariadne (1871)
- Ariadne-class corvette
- Arihant-class submarine
- HMS Ark Royal (1914)
- USS Arkansas (BB-33)
- Arleigh Burke-class destroyer
- French ironclad Armide
- SMS Arminius
- Arniston (East Indiaman)
- SMS Árpád
- HMS Artois (1794)
- French cruiser Aréthuse
- Japanese cruiser Asama
- Asama-class cruiser
- Ottoman ironclad Asar-i Şevket
- Ottoman ironclad Asar-i Tevfik
- Asar-i Şevket-class ironclad
- SMS Aspern
- HMS Assurance (1780)
- STV Astrid
- French ironclad Atalante
- USS Atlanta (1861)
- USS Attu
- HMS Audacious (1869)
- HMS Audacious (1912)
- SMS Augsburg
- SMS Augusta
- Augusta-class corvette
- HMS Aurora (1887)
- Ottoman ironclad Avnillah
- Avnillah-class ironclad
- USS Aylwin (DD-47)
- Ottoman ironclad Aziziye
- Japanese cruiser Azuma
- HMS B7
- HMS B8
- HMS B9
- HMS B10
- SMS Babenberg
- SMS Baden (1880)
- Soviet destroyer Baku
- SMS Balaton
- USS Balch (DD-50)
- Russian cruiser Bayan (1900)
- HMS Barfleur (1892)
- HMS Barham (04)
- Brazilian ironclad Barroso
- Italian cruiser Basilicata
- HMS Basilisk (1910)
- HMS Basilisk (H11)
- SMS Basilisk (1862)
- SS Batavier II (1897)
- SS Batavier V (1902)
- Battlecruiser
- United States Battleship Division Nine (World War I)
- Russian cruiser Bayan (1907)
- Bayan-class cruiser
- SMS Bayern (1878)
- Soviet frigate Bditelnyy
- Beacon-class gunvessel
- HMS Beagle (H30)
- French aircraft carrier Béarn
- CSS Beaufort
- HMS Bedford (1901)
- HMS Belfast
- Belitung shipwreck
- HMS Bellerophon (1907)
- Bellerophon-class battleship
- French ironclad Belliqueuse
- HMS Bellona (1909)
- HMS Ben-my-Chree
- HMS Benbow (1913)
- Italian battleship Benedetto Brin
- USS Benham (DD-49)
- USS Bennington (PG-4)
- SMS Beowulf
- Ottoman cruiser Berk-i Satvet
- Berkshire No. 7
- SMS Berlin
- HMS Birkenhead (1845)
- SMS Bismarck
- USS Bismarck Sea
- Bismarck-class battleship
- Bismarck-class corvette
- SS Black Osprey
- HMS Black Prince (1861)
- HMS Black Prince (1904)
- Black Terror (ship)
- USS Blakeley
- HMS Blanche (1800)
- HMS Blanche (1909)
- USAHS Blanche F. Sigman
- HMS Blanche (H47)
- SMS Blitz
- SMS Blitz (1862)
- Blitz-class aviso
- HMSAS Bloemfontein
- HMS Blonde (1910)
- Blonde-class cruiser
- German cruiser Blücher
- SMS Blücher (1877)
- HMS Boadicea (1908)
- HMS Boadicea (H65)
- Boadicea-class cruiser
- Italian cruiser Bolzano
- HMS Bonaventure (31)
- HMS Boreas (H77)
- Borodino-class battleship
- Russian battleship Borodino
- Botik of Peter the Great
- USS Bougainville (CVE-100)
- French ironclad Bouvines
- USS Boxer (CV-21)
- HMS Brazen (H80)
- USS Breese
- Bremen-class cruiser
- SMS Bremen
- SMS Bremse
- SMS Breslau
- Bretagne-class battleship
- HMS Bridgewater (L01)
- HMS Brilliant (1757)
- HMS Brilliant (H84)
- HMS Brisk (1910)
- HMS Bristol (1910)
- HMS Britannia (1904)
- British B-class submarine
- Briton-class corvette
- Russian monitor Bronenosets
- French cruiser Bruix
- SMS Brummer
- Brummer-class cruiser
- Bucentaur
- SMS Budapest
- French cruiser Bugeaud
- Bulk carrier
- HMS Bulldog (H91)
- SMS Bussard
- Bussard-class cruiser
- BX (sternwheeler)
- C and D-class destroyer
- CAM ship
- HMS Caesar (1896)
- Italian battleship Duilio
- Italian ironclad Duilio
- Italian cruiser Calabria
- Italian cruiser Calatafimi
- USS California (BB-44)
- HMS Cambrian (1916)
- HMS Campania (1914)
- Italian cruiser Campania
- Campania-class cruiser
- SMS Camäleon (1860)
- Camäleon-class gunboat
- USS Canonicus (1863)
- HMS Canopus (1897)
- Canopus-class battleship
- HMS Canopus (1798)
- USS Cape Esperance
- Chilean battleship Capitán Prat
- Italian cruiser Caprera
- Capture of USS Chesapeake
- HMS Caradoc (D60)
- HMS Cardiff (D58)
- Italian cruiser Carlo Alberto
- HMS Carnarvon
- French battleship Carnot
- SMS Carola
- Carola-class corvette
- HMS Caroline (1795)
- CSS Carondelet
- HMS Carysfort (1914)
- USS Casablanca
- French destroyer Casque (1938)
- French destroyer Cassard (1931)
- French cruiser Cassard
- Italian ironclad Castelfidardo
- ARA Catamarca
- USS Catawba (1864)
- French cruiser Catinat
- Catinat-class cruiser
- HMS Cato (1782)
- SS Cayuga
- French ironclad Caïman
- Brazilian monitor Ceará
- SB Centaur
- HMS Centurion (1892)
- HMS Centurion (1911)
- Centurion-class battleship
- French destroyer Chacal
- Chacal-class destroyer
- French cruiser Chanzy
- Chinese cruiser Chaoyong
- French battleship Charlemagne
- Charlemagne-class battleship
- French submarine Charles Brun
- Charles Martel-class ironclad
- French battleship Charles Martel
- SMS Charlotte
- Russian monitor Charodeika
- Charodeika-class monitor
- French cruiser Chasseloup-Laubat
- French cruiser Châteaurenault (1898)
- Soviet cruiser Chervona Ukraina
- Russian battleship Chesma (1886)
- SS Chester A. Congdon
- French destroyer Chevalier Paul (1932)
- USS Chew
- USS Chickasaw (1864)
- SS China Arrow
- Japanese aircraft carrier Chūyō
- USS Cincinnati (CL-6)
- HSwMS Clas Fleming
- Italian cruiser Coatit
- HMS Cochrane (1905)
- French ironclad Colbert
- Colbert-class ironclad
- USS Colhoun (DD-85)
- HMS Collingwood (1882)
- SMS Cöln (1909)
- SMS Cöln (1916)
- USS Colorado (BB-45)
- Colorado-class battleship
- HMS Colossus (1910)
- Colossus-class battleship (1910)
- Comandanti Medaglie d'Oro-class destroyer
- HMS Comet (H00)
- SMS Comet
- SMS Comet (1860)
- French seaplane carrier Commandant Teste
- HMS Commonwealth
- USS Concord (PG-3)
- HMS Concorde (1783)
- French cruiser Condé
- SMS Condor
- French battleship Condorcet
- Italian cruiser Confienza
- Connecticut-class battleship
- HMS Conqueror (1911)
- Italian ironclad Conte Verde
- Italian battleship Conte di Cavour
- USS Conyngham (DD-58)
- HMS Cordelia (1914)
- SMS Cormoran (1892)
- HMS Cornwall (56)
- HMS Cornwall (1902)
- HMS Cornwallis (1901)
- French cruiser Cosmao
- Costa Concordia disaster
- French ship Courageux (1753)
- Courbet-class battleship
- French ironclad Couronne
- French cruiser Coëtlogon
- Henry M. Crane
- HMS Crescent (1931)
- HMS Cressy (1899)
- Australian Army ship Crusader (AV 2767)
- HMS Crusader (H60)
- SMS Csepel
- HMS Curacoa (D41)
- USS Curlew (1862)
- USS Cushing (DD-55)
- SMS Custoza
- SMS Cyclop (1860)
- HMS Cyclops (1871)
- Cyclops-class monitor
- HMS Cygnet (H83)
- SS Czar
- French cruiser D'Assas
- D'Assas-class cruiser
- French cruiser D'Entrecasteaux
- D-class cruiser (Germany)
- French destroyer Dague
- HMS Dainty (H53)
- Italian battleship Dante Alighieri
- French battleship Danton
- Danton-class battleship
- SMS Danzig
- HMS Daring (H16)
- Davara
- French cruiser Davout
- USS De Soto (1859)
- HMS Decoy (H75)
- Deepwater Horizon
- HMS Defence (1861)
- HMS Defence (1907)
- Defence-class ironclad
- HMS Defender (H07)
- USS Delaware (BB-28)
- Delaware-class battleship
- Greek submarine Delfin (1912)
- HMS Delight (H38)
- SMS Delphin
- French battleship Démocratie
- HMS Denbigh Castle (K696)
- French cruiser Desaix
- French cruiser Descartes
- Descartes-class cruiser
- Design B-65 cruiser
- French cruiser D'Estrées
- D'Estrées-class cruiser
- SMS Deutschland (1874)
- German cruiser Deutschland
- Deutschland-class cruiser
- HMS Devonshire (39)
- HMS Diamond (H22)
- HMS Diana (H49)
- USS Dictator
- French battleship Diderot
- Chinese ironclad Dingyuan
- Dingyuan-class ironclad
- Russian cruiser Dmitrii Donskoi
- Italian cruiser Dogali
- HMS Dominion
- SMS Don Juan d'Austria (1875)
- SMS Don Juan d'Austria (1862)
- HMS Dorsetshire (40)
- SMS Drache (1861)
- SMS Drache (1865)
- Drache-class ironclad
- HMS Drake (1901)
- HMS Dreadnought (1875)
- HMS Dreadnought (1906)
- Dresden-class cruiser
- SMS Dresden (1917)
- French cruiser Du Chayla
- French cruiser Dubourdieu
- HMS Duchess (H64)
- French ironclad Duguesclin
- Duilio-class ironclad
- HMS Duke of York (17)
- HMS Duke of Edinburgh
- Duke of Edinburgh-class cruiser
- HMS Duncan (1901)
- Duncan-class battleship
- HMS Duncan (D99)
- USS Dunderberg
- Dunkerque-class battleship
- French battleship Dunkerque
- French cruiser Dupleix (1900)
- Dupleix-class cruiser
- French cruiser Dupuy de Lôme
- E and F-class destroyer
- French cruiser Edgar Quinet
- Edgar Quinet-class cruiser
- Russian monitor Edinorog
- Edward M. Cotter (fireboat)
- HMS Effingham
- Russian battleship Ekaterina II
- Ekaterina II-class battleship
- SS El Occidente
- SS El Oriente
- SS El Sol
- Italian cruiser Elba
- SMS Elbing
- Ellen Southard
- Elmer S. Dailey
- Italian battleship Emanuele Filiberto
- SMS Emden (1916)
- German cruiser Emden
- HMS Emperor of India
- SS Emperor
- SS Empire Endurance
- SS Empire Miniver
- SS Empire Simba
- HMS Empress (1914)
- HMS Empress of India
- HMS Encounter (H10)
- HMS Endymion (1779)
- HMS Engadine (1911)
- Japanese destroyer Enoki (1945)
- Italian ironclad Enrico Dandolo
- HMS Enterprise (1864)
- French destroyer Épée (1938)
- USS Ericsson (DD-56)
- Ersatz Monarch-class battleship
- Ersatz Zenta-class cruiser
- SMS Erzherzog Albrecht
- SMS Erzherzog Ferdinand Max (1865)
- Erzherzog Ferdinand Max-class ironclad
- SMS Erzherzog Ferdinand Max
- SMS Erzherzog Friedrich
- SMS Erzherzog Karl
- Erzherzog Karl-class battleship
- HMS Escapade
- HMS Escort (H66)
- HMS Esk (H15)
- España-class battleship
- Spanish battleship España
- French destroyer Espingole
- HMS Essex (1901)
- Italian cruiser Etna
- Etna-class cruiser
- Italian cruiser Etruria
- Italian cruiser Ettore Fieramosca
- HMS Euphrates (1813)
- Italian cruiser Euridice
- Italian seaplane carrier Europa
- MS Europic Ferry
- HMS Euryalus (1901)
- Russian battleship Evstafi
- Evstafi-class battleship
- HMS Exeter (68)
- HMS Exmouth (1901)
- HMS Exmouth (H02)
- HMS Experiment (1784)
- HMS Express (H61)
- Italian monitor Faà di Bruno
- SMS Falke
- SMS Falke (1865)
- HMS Falmouth (1910)
- HMS Fame (H78)
- USS Fanshaw Bay
- Grahame Farr
- HMS Fearless (1912)
- HMS Fearless (H67)
- Spanish ship Fenix (1749)
- Ottoman ironclad Feth-i Bülend
- Feth-i Bülend-class ironclad
- HMS Firedrake (H79)
- Italian cruiser Fiume
- Flag of convenience
- French ironclad Flandre
- French destroyer Fleuret (1938)
- Flight deck cruiser
- HMS Flint Castle (K383)
- USS Florida (BB-30)
- Florida-class battleship
- Italian cruiser Folgore
- Folgore-class cruiser
- French cruiser Forbin
- Forbin-class cruiser
- HMS Foresight (H68)
- HMS Forester (H74)
- Italian ironclad Formidabile
- Formidabile-class ironclad
- HMS Formidable (1898)
- Formidable-class battleship
- French ironclad Formidable
- SS Fort Stikine
- HMS Fortune (H70)
- French destroyer Fougueux
- HMS Foxhound (H69)
- French destroyer Framée
- Italian cruiser Francesco Ferruccio
- Italian ironclad Francesco Morosini
- SMS Frankfurt
- SMS Frauenlob
- CSS Fredericksburg
- HMCS Fredericton (K245)
- USS Freedom (ID-3024)
- French battlecruiser proposals
- SMS Freya
- SMS Freya (1874)
- French cruiser Friant
- Friant-class cruiser
- French ironclad Friedland
- SMS Friedrich Carl (1867)
- SMS Friedrich der Grosse (1874)
- SMS Frithjof
- HMS Frobisher (D81)
- French destroyer Fronde
- Chinese transport Fu Po
- Japanese battleship Fuji
- French ironclad Furieux
- SMS Fürst Bismarck
- HMS Fury (H76)
- Japanese ironclad Fusō
- G3 battlecruiser
- G and H-class destroyer
- Russian destroyer Gadzhibey
- USS Galena (1862)
- French cruiser Galilée
- HMS Gallant (H59)
- Russian battleship Gangut (1911)
- Gangut-class battleship
- HMS Garland (H37)
- French ironclad Gauloise
- Gazelle-class cruiser
- SMS Gazelle
- SMS Gefion
- SMS Geier
- Russian frigate General Admiral
- HMS General Craufurd
- CSS General Earl Van Dorn
- CSS General M. Jeff Thompson
- CSS General Polk
- SS George Washington
- USS Georgia (BB-15)
- Russian battleship Georgii Pobedonosets
- German FK cruiser designs
- Type UB I submarine
- German aircraft carrier I (1915)
- German aircraft carrier I (1942)
- German aircraft carrier II
- German destroyer Z51
- MV Geysir
- Italian cruiser Giovanni Bausan
- HMS Gipsy (H63)
- Italian battleship Giulio Cesare
- Italian cruiser Giuseppe Garibaldi (1899)
- HMS Glasgow (1909)
- HMS Glatton (1914)
- HMS Glenmore (1796)
- USS Glide (1862)
- Gloire-class cruiser
- French cruiser Gloire (1900)
- HMS Glorious
- HMS Glory (1899)
- HMS Gloucester (1654)
- HMS Gloucester (62)
- HMS Gloucester (1909)
- HMS Glowworm (H92)
- German battleship Gneisenau
- SMS Gneisenau (1879)
- Soviet destroyer Gnevny (1936)
- Italian cruiser Goito
- Goito-class cruiser
- HMS Goliath (1898)
- HMS Good Hope (1901)
- SAS Good Hope
- Soviet destroyer Gordy (1937)
- HMS Gorgon (1914)
- Gorgon-class monitor
- Italian cruiser Gorizia
- SS Gothenburg
- HSwMS Gotland (1933)
- German aircraft carrier Graf Zeppelin
- HMS Grafton (H89)
- HMS Grasshopper (T85)
- Graudenz-class cruiser
- SMS Graudenz
- SS Great Britain
- SMS Greif (1886)
- HMS Grenade (H86)
- HMS Grenville (H03)
- HMS Greyhound (H05)
- HMS Griffin (H31)
- German aviso Grille
- SMS Grille
- Russian cruiser Gromoboi
- SMS Grosser Kurfürst (1875)
- Soviet frigate Grozyashchiy
- USS Guam (CB-2)
- French cruiser Guichen (1897)
- French ironclad Guyenne
- H-class battleship proposals
- HMS Actaeon (1778)
- HMS Pylades (1854)
- HMS Tourmaline (1875)
- HMS Trent (1796)
- SMS Habsburg
- SMS Habsburg (1865)
- Habsburg-class battleship
- SMS Hagen
- Japanese destroyer Hagi (1944)
- Chinese frigate Hai'an
- SMS Hamburg
- Ottoman ironclad Hamidiye
- Hammerton's Ferry
- HMS Hampshire (1903)
- HMS Hannibal (1896)
- SMS Hansa (1872)
- SMS Hansa (1898)
- Le Hardi-class destroyer
- USS Harding (DD-91)
- HMS Hardy (H87)
- HMS Harvester (H19)
- HMS Hasty (H24)
- Japanese battleship Hatsuse
- Japanese destroyer Hatsuume
- Japanese destroyer Hatsuzakura
- HMS Havant (H32)
- HMS Havelock (H88)
- Havmanden-class submarine (1911)
- HMS Havock (H43)
- USS Hawaii (CB-3)
- HMS Hawkins (D86)
- HMS Hebrus
- HMS Hector (1862)
- Hector-class ironclad
- SMS Heimdall
- SMS Hela
- USS Helena (CL-50)
- SMS Helgoland (1912)
- French battleship Henri IV
- USS Henry R. Mallory
- HMS Hercules (1910)
- HMS Hereward (H93)
- HMS Hermione (1782)
- HMS Hero (H99)
- French ironclad Héroïne
- SMS Hertha
- HMS Hesperus (H57)
- TCG Heybeliada
- HMS Hibernia (1905)
- Japanese battleship Hiei
- Japanese ironclad Hiei
- Ottoman ironclad Hifz-ur Rahman
- High Seas Fleet
- HMS Highlander (H44)
- SMS Hildebrand
- HMS Hindustan (1903)
- Japanese destroyer Hinoki (1944)
- Hiyō-class aircraft carrier
- French ironclad Hoche
- USS Hoggatt Bay
- HMS Hogue (1900)
- USS Hollandia
- HMS Hood (1891)
- HMS Hope (1910)
- USS Hornet (CV-12)
- HMS Hostile (H55)
- HMS Hotspur (H01)
- HMS Howe (1885)
- HMS Howe (32)
- HMS Hunter (H35)
- HMS Hurricane (H06)
- HMS Hurst Castle
- HMS Hussar (1799)
- Hydra-class ironclad
- Greek ironclad Hydra
- HMS Hyperion (H97)
- Japanese submarine I-5
- Japanese submarine I-179
- I-351-class submarine
- Japanese cruiser Ibuki (1943)
- Ibuki-class armored cruiser
- Ibuki-class cruiser
- Ottoman ironclad Iclaliye
- USS Idaho (BB-42)
- USS Illinois (BB-7)
- Illinois-class battleship
- HMS Illustrious (1896)
- HMS Imogen (D44)
- Russian battleship Imperator Aleksandr III
- Imperator Aleksandr II-class battleship
- Russian battleship Imperator Aleksandr II
- Russian battleship Imperator Aleksandr III (1901)
- Russian battleship Imperator Nikolai I (1916)
- Russian battleship Imperator Nikolai I (1889)
- Russian battleship Imperator Pavel I
- Russian battleship Imperatritsa Ekaterina Velikaya
- Imperatritsa Mariya-class battleship
- Russian battleship Imperatritsa Mariya
- Italian battleship Impero
- HMS Implacable (1899)
- HMS Implacable (R86)
- Implacable-class aircraft carrier
- HMS Inconstant (1868)
- Indefatigable-class battlecruiser
- SS India Arrow
- USS Indiana (BB-58)
- USS Indianola
- HMS Indomitable (1907)
- French ironclad Indomptable
- French cruiser Infernet
- HMS Inflexible (1907)
- HMCS Integrity (1804)
- HMS Intrepid (1747)
- Intrepid Museum
- HM Armed Smack Inverlyon
- HMS Invincible (1907)
- French ironclad Invincible
- Invincible-class battlecruiser
- Russian battleship Ioann Zlatoust
- USS Iowa (BB-4)
- Iowa-class battleship
- SS Iowan
- SS Ira H. Owen
- SMS Irene
- Irene-class cruiser
- Italian cruiser Iride
- Irish Mercantile Marine during World War II
- SS Irish Oak (1919)
- HMS Iron Duke (1870)
- HMS Iron Duke (1912)
- Iron Duke-class battleship
- SS Ironsides
- HMS Irresistible (1898)
- Isambard Kingdom Brunel Standing Before the Launching Chains of the Great Eastern
- Ise-class battleship
- French cruiser Isly
- CSS Isondiga
- Italian ironclad Italia
- Italia-class ironclad
- HMS Ivanhoe (D16)
- Japanese cruiser Iwate
- Japanese cruiser Izumo
- Izumo-class cruiser
- USS Jacob Jones (DD-61)
- Jade-class aircraft carrier
- SMS Jagd
- French destroyer Jaguar
- Spanish battleship Jaime I
- HMS Jamaica (44)
- Japanese landing ship No. 1
- Japanese transport ship Unyo Maru No. 2
- SS Jarvis Lord
- HMS Jason (1800)
- French battleship Jean Bart (1940)
- French cruiser Jean Bart
- Jean Bart-class cruiser
- French ironclad Jeanne d'Arc
- French cruiser Jeanne d'Arc (1899)
- Chinese cruiser Jingyuan (1886)
- Chinese cruiser Jiyuan
- Joffre-class aircraft carrier
- SS John Burke
- HSwMS John Ericsson
- John Ericsson-class monitor
- SS John Mitchell (1906)
- USS John P. Jackson
- SS John V. Moran
- USS Johnston (DD-557)
- ARA Jujuy
- French cruiser Jules Ferry
- CSS Junaluska
- HMS Jupiter (1895)
- French cruiser Jurien de la Gravière
- French battleship Justice
- Soviet submarine K-68
- Soviet submarine K-85
- Soviet submarine K-222
- Japanese destroyer Kaba (1945)
- USS Kadashan Bay
- Japanese destroyer Kaede (1944)
- Soviet cruiser Kaganovich
- SMS Kaiser (1874)
- Kaiser-class ironclad
- SMS Kaiser Franz Joseph I
- SMS Kaiser Karl VI
- SMS Kaiser Max (1862)
- SMS Kaiser Max (1875)
- Kaiser Max-class ironclad (1862)
- Kaiser Max-class ironclad (1875)
- SMS Kaiser (1858)
- SMS Kaiserin Augusta
- SMS Kaiserin und Königin Maria Theresia
- Japanese aircraft carrier Kaiyō
- Japanese destroyer Kaki (1944)
- Kalamazoo-class monitor
- Soviet cruiser Kalinin
- Kamorta-class corvette
- USS Kansas (BB-21)
- SMS Karlsruhe (1916)
- German cruiser Karlsruhe
- Karlsruhe-class cruiser
- SMS Karlsruhe
- USS Kasaan Bay
- Japanese battleship Kashima
- Japanese cruiser Kasuga
- Japanese battleship Katori
- Katori-class battleship
- Japanese aircraft carrier Katsuragi
- Kawachi-class battleship
- Japanese battleship Kawachi
- Japanese destroyer Kashi (1944)
- Japanese destroyer Kaya (1944)
- Kearsarge-class battleship
- HMS Keith
- HMS Kempenfelt (I18)
- HMS Kent (54)
- HMS Kent (1901)
- SS Kentuckian
- USS Kentucky (BB-6)
- USS Kentucky (BB-66)
- French destroyer Kersaint (1931)
- Japanese destroyer Keyaki (1944)
- PS Keystone State
- USS Kickapoo (1864)
- Kiev-class destroyer
- Kii-class battleship
- Greek battleship Kilkis
- King Edward VII-class battleship
- HMS King Edward VII
- HMS King George V (41)
- HMS King George V (1911)
- King George V-class battleship (1911)
- Japanese destroyer Kiri (1944)
- Japanese battleship Kirishima
- Soviet cruiser Kirov
- Kirov-class cruiser
- USS Kitkun Bay
- French cruiser Kléber
- Russian ironclad Kniaz Pozharsky
- Russian battleship Knyaz Suvorov
- German cruiser Königsberg
- Kolberg-class cruiser
- SMS Kolberg
- Russian monitor Koldun
- Kolkata-class destroyer
- Cöln-class cruiser
- German cruiser Köln
- Soviet cruiser Komintern
- SS Kommandøren
- Končar-class missile boat
- Japanese battleship Kongō
- Japanese ironclad Kongō
- Kongō-class ironclad
- Kongō-class battlecruiser
- SMS König Wilhelm
- SMS Königsberg (1915)
- Königsberg-class cruiser (1927)
- Königsberg-class cruiser (1905)
- Königsberg-class cruiser (1915)
- Japanese ironclad Kōtetsu
- Soviet cruiser Krasny Kavkaz
- Soviet cruiser Krasny Krym
- Russian ironclad Kreml
- SMS Kronprinz (1867)
- SMS Kronprinz Erzherzog Rudolf
- SMS Kronprinzessin Erzherzogin Stephanie
- Kronshtadt-class battlecruiser
- Soviet cruiser Kronstadt
- Japanese aircraft carrier Kumano Maru
- INS Kursura (S20)
- Japanese destroyer Kusunoki (1945)
- Japanese destroyer Kuwa (1944)
- USS Kwajalein
- French destroyer L'Audacieux
- French destroyer L'Indomptable
- French ironclad La Galissonnière
- La Galissonnière-class ironclad
- SS Lac La Belle
- French cruiser Lalande
- French destroyer Lansquenet (1939)
- HMS Larne (1910)
- Russian monitor Latnik
- HMS Latona (1781)
- French cruiser Latouche-Tréville
- HMS Laurel (1913)
- Russian monitor Lava
- French cruiser Lavoisier
- French destroyer Le Fantasque
- French destroyer Le Flibustier
- French destroyer Le Hardi
- French destroyer Le Malin
- French destroyer Le Terrible
- French destroyer Le Triomphant
- USS Leary (DD-158)
- Lees Ferry
- German cruiser Leipzig
- SMS Leipzig (1905)
- SMS Leipzig (1875)
- Leipzig-class corvette
- Leipzig-class cruiser
- Greek battleship Lemnos
- Léon Gambetta-class cruiser
- French cruiser Léon Gambetta
- Italian battleship Leonardo da Vinci
- French destroyer Léopard
- SMS Leopard
- Italian ironclad Lepanto
- Leschi (fireboat)
- Lexington-class aircraft carrier
- Lexington-class battlecruiser
- French battleship Liberté
- Italian cruiser Libia
- Italian cruiser Liguria
- SMS Lika
- HMS Linnet (1913)
- French cruiser Linois (1894)
- Linois-class cruiser
- USS Liscome Bay
- SMS Lissa
- List of battleships of Greece
- List of battleships of Spain
- Italian battleship Littorio
- Littorio-class battleship
- HMS Lizard (1757)
- HMS Llewellyn (1913)
- HSwMS Loke (1869)
- Italian cruiser Lombardia
- HMS London (1899)
- London-class battleship
- HMS Lookout (1914)
- HMS Lord Clive
- HMS Lord Clyde
- HMS Lord Nelson (1906)
- Lord Nelson-class battleship
- HMS Lord Warden
- SMS Loreley (1859)
- French battleship Lorraine
- PS Lotta Bernard
- USS Louisiana (BB-19)
- HMS Lowestoffe (1761)
- SMS Lübeck
- SMS Luise
- USS Lunga Point
- SMS Lussin
- Ottoman ironclad Lütf-ü Celil
- German cruiser Lützow (1939)
- French destroyer Lynx
- HMS Lyra (1910)
- HMS Lysander (1913)
- Lütf-ü Celil-class ironclad
- M-class cruiser
- MBTA boat
- HMS Maenad (1915)
- RMS Magdalena (1948)
- Magdeburg-class cruiser
- SMS Magdeburg
- French ironclad Magenta (1890)
- French ironclad Magnanime
- HMS Magnificent (1894)
- HMS Magpie (1826)
- USS Mahan (DD-364)
- Ottoman ironclad Mahmudiye
- USS Mahopac (1864)
- Maidstone-class frigate
- French destroyer Maillé Brézé (1931)
- USS Maine (BB-10)
- Maine-class battleship
- SMS Mainz
- HMS Majestic (1895)
- Majestic-class battleship
- USS Makassar Strait
- Japanese destroyer Maki (1944)
- USS Makin Island (CVE-93)
- Mallard II
- HMS Mallow (K81)
- Malta-class aircraft carrier
- French destroyer Mameluk
- SS Manasoo
- HMS Manchester (15)
- Manchester Liners
- USS Manhattan (1863)
- HMS Manilla (1809)
- HSwMS Manligheten
- HMS Mansfield (1914)
- French ironclad Marceau
- Marceau-class ironclad
- Italian cruiser Marco Polo
- French ironclad Marengo
- USS Maria J. Carlton
- SMS Marie
- Marietta-class monitor
- French submarine Mariotte
- HMS Marlborough (1912)
- HMS Marne (1915)
- HMS Mars (1896)
- Italian cruiser Marsala
- French cruiser Marseillaise (1900)
- Soviet cruiser Marshal Voroshilov
- HMS Martin (1910)
- HMS Marvel (1915)
- USS Maryland (BB-46)
- HMS Mashona
- USS Massachusetts (BB-59)
- French battleship Masséna
- USS Matanikau
- Japanese destroyer Matsu (1944)
- CSS Maurepas
- Soviet cruiser Maxim Gorky
- USS McDougal (DD-54)
- SMS Medusa
- SMS Medusa (1864)
- HMS Medway (1928)
- Meermin
- HMS Menace (1915)
- SS Merchant
- SS Merion
- Italian ironclad Messina
- Ottoman ironclad Mesudiye
- SMS Meteor (1865)
- SMS Meteor (1890)
- Meteor-class aviso
- USS Miantonomoh (1863)
- USS Michigan (BB-27)
- Japanese battleship Mikasa
- HMS Milbrook (1915)
- USS Milwaukee (1864)
- USS Milwaukee (CL-5)
- Milwaukee-class monitor
- HMS Mindful (1915)
- USS Mindoro (CVE-120)
- Italian cruiser Minerva
- HMS Minion (1915)
- USS Minnesota (BB-22)
- HMS Minotaur (1863)
- HMS Minotaur (1906)
- Minotaur-class cruiser (1906)
- French battleship Mirabeau
- USS Mission Bay
- USS Mississippi (BB-41)
- Mississippi-class battleship
- USS Missouri (BB-11)
- CSS Missouri
- 1950 USS Missouri grounding
- MV Missourian (1921)
- HNoMS Mjølner (1868)
- French destroyer Mogador
- Mogador-class destroyer
- HMS Mohawk (F31)
- Soviet cruiser Molotov
- SMS Moltke (1877)
- Japanese destroyer Momi (1944)
- Japanese destroyer Momo (1944)
- USS Monadnock (1863)
- HMS Monarch (1911)
- SMS Monarch
- Monarch-class coastal defense ship
- USS Monitor
- HMS Monmouth (1901)
- HMS Mons (1915)
- HMS Montagu (1901)
- USS Montana (ACR-13)
- French ironclad Montcalm
- Italian cruiser Montebello
- Italian cruiser Monzambano
- HMS Moorsom (1914)
- HMS Moresby
- HMS Morris
- Soviet destroyer Moskva
- HMS Mosquito (1910)
- French destroyer Mousquet
- Ottoman ironclad Muin-i Zafer
- Ottoman ironclad Mukaddeme-i Hayir
- SMS München
- USS Munda
- HMS Munster
- CSS Muscogee
- Mutiny of the Matoika
- HMS Myngs (1914)
- HMS Mystic (1915)
- NMS Mărășești
- NMS Mărăști
- N3-class battleship
- Chinese cruiser Nan Chen
- KRI Nanggala (402)
- Japanese cruiser Naniwa
- Italian battleship Napoli
- Japanese destroyer Nara (1944)
- Narcissus-class frigate
- HMS Natal
- HMSAS Natal
- Nathan F. Cobb
- Japanese destroyer Natsuzuki
- SMS Nautilus (1906)
- Nautilus-class minelayer
- Russian battleship Navarin
- Russian ironclad Ne Tron Menia
- USS Nebraska (BB-14)
- Ottoman ironclad Necm-i Şevket
- USS Nehenta Bay
- HMS Nelson (28)
- HMS Nemesis (1910)
- USS Neosho (1863)
- Neosho-class monitor
- HMS Neptune (1797)
- HMS Neptune (1874)
- French ironclad Neptune
- Russian submarine Nerpa (K-152)
- Soviet frigate Neukrotimyy
- Nevada-class battleship
- USS New Hampshire (BB-25)
- USS New Jersey (BB-16)
- USS New Mexico (BB-40)
- New Mexico-class battleship
- CSS New Orleans
- USS New York (BB-34)
- New York-class battleship
- HMS Zealandia
- HMS Nicator (1916)
- USS Nicholson (DD-52)
- HDMS Niels Juel (1918)
- HMS Nile (1888)
- Nimitz-class aircraft carrier
- Italian cruiser Nino Bixio
- Nino Bixio-class cruiser
- HSwMS Niord
- Japanese destroyer Nire (1944)
- Japanese cruiser Nisshin
- SMS Nix
- Nix-class aviso
- SMS Nixe
- French ironclad Normandie
- USS North Carolina (BB-55)
- USS North Dakota (BB-29)
- HMS Northumberland (1866)
- HMS Nottingham (1913)
- SMS Novara (1913)
- Novara-class cruiser
- Russian monitor Novgorod
- Number 13-class battleship
- SMS Nürnberg (1916)
- German cruiser Nürnberg
- SMS Nürnberg (1906)
- SMS Nymphe
- Nymphe-class corvette
- O'Brien-class destroyer
- USS O'Brien (DD-51)
- O-class battlecruiser
- HMS Ocean (1863)
- HMS Ocean (1898)
- Océan-class ironclad
- French ironclad Océan
- Japanese destroyer Odake
- HSwMS Oden
- SMS Odin
- Odin-class coastal defense ship
- USS O'Flaherty
- USS Ohio (BB-12)
- Oil tanker
- USS Oklahoma (BB-37)
- SMS Oldenburg (1884)
- SMS Olga
- USS Omaha (CL-4)
- USS Ommaney Bay
- USS Oneota (1864)
- USS Onondaga (1863)
- HMS Onslaught (1915)
- Soviet destroyer Opytny
- USS Oregon (BB-3)
- CSS Oregon
- Ottoman ironclad Orhaniye
- HMS Orion (1910)
- Orion-class battleship
- SMS Orjen
- Orjen-class torpedo boat
- Russian battleship Oryol
- USS Osage (1863)
- HSwMS Oscar II
- Ottoman ironclad Osmaniye
- Osmaniye-class ironclad
- Yugoslav submarine Osvetnik
- Osvetnik-class submarine
- HMS Otranto
- Japanese cruiser Ōyodo
- USS Ozark (1863)
- HMS P222
- P-class cruiser
- Italian ironclad Palestro
- Russian cruiser Pallada (1906)
- HMS Pallas (1816)
- CSS Pamlico
- SS Panaman
- SMS Panther (1885)
- Panther-class cruiser
- French destroyer Panthère
- Brazilian monitor Pará
- Pará-class monitor
- French battleship Paris
- USS Parker (DD-48)
- Italian cruiser Partenope
- Partenope-class cruiser
- French cruiser Pascal
- French battleship Patrie
- Patrol Air Cushion Vehicle
- HMS Pegasus (1917)
- HMS Pelorus (J291)
- HMS Penelope (1867)
- HMS Penn (1916)
- USS Pennsylvania (BB-38)
- HMS Perseus (R51)
- Perseverance-class frigate
- HMAS Perth (D29)
- Russian monitor Perun
- Russian ironclad Pervenets
- Russian ironclad Petr Veliky
- USS Petrof Bay
- Russian battleship Petropavlovsk (1911)
- Russian ironclad Petropavlovsk
- Ottoman cruiser Peyk-i Şevket
- Peyk-i Şevket-class cruiser
- SMS Pfeil
- USS Philadelphia (1776)
- USS Philippine Sea (CV-47)
- HMS Philomel (1890)
- HMS Phoenix (N96)
- Phoenix (fireboat)
- Brazilian monitor Piauí
- CSS Pickens
- Italian cruiser Piemonte
- Italian cruiser Pietro Micca
- Pillau-class cruiser
- SMS Pillau
- HMS Pioneer (R76)
- Italian cruiser Pisa
- Pisa-class cruiser
- French destroyer Pistolet
- French cruiser Pluton
- Italian cruiser Pola
- Russian battleship Poltava (1911)
- SMS Pommerania
- HMS Pomone (1897)
- CSS Pontchartrain
- USS Porter (DD-59)
- USS Portland (CA-33)
- Portland-class cruiser
- French cruiser Pothuau
- HMS Powerful (1895)
- Powerful-class cruiser
- SAS President Kruger
- SAS President Pretorius
- SAS President Steyn
- SMS Preussen (1873)
- Preussen-class ironclad
- HMS Prince George (1895)
- HMS Prince of Wales (1902)
- HMS Prince of Wales (53)
- Prince of Wales (1786 ship)
- Italian ironclad Principe Amedeo
- Principe Amedeo-class ironclad
- Italian ironclad Principe di Carignano
- Principe di Carignano-class ironclad
- SMS Prinz Adalbert (1865)
- SMS Prinz Adalbert (1876)
- Prinz Adalbert-class cruiser
- German cruiser Prinz Eugen
- SMS Prinz Eugen (1862)
- SMS Prinz Eugen (1877)
- SMS Prinz Eugen (1912)
- SMS Prinz Heinrich
- SMS Prinzess Wilhelm
- Priscilla Dailey
- HMS Prize
- HMSAS Protea (1947)
- HMCS Protecteur (AOR 509)
- French cruiser Protet
- French battleship Provence
- French ironclad Provence
- Greek ironclad Psara
- Italian cruiser Puglia
- USS Puritan (1864)
- Purton Hulks
- Soviet frigate Pytlivyy
- Italian cruiser Quarto
- HMS Queen (1902)
- Queen Elizabeth-class aircraft carrier
- Queen Mary 2
- USS R. B. Forbes
- HMS Racoon (1910)
- Radetzky-class battleship
- SMS Radetzky (1909)
- HMS Raider (1916)
- HMS Raleigh (1919)
- HMS Ramillies (1892)
- HMS Rattlesnake (1910)
- HMS Raven II
- Soviet frigate Razumnyy
- Soviet destroyer Razyaryonny (1941)
- Soviet frigate Razyashchiy
- Re Umberto-class ironclad
- Italian ironclad Re Umberto
- Italian ironclad Re d'Italia
- Re d'Italia-class ironclad
- Italian ironclad Re di Portogallo
- HMS Redpole (1910)
- Reed water tube boiler
- NMS Regele Ferdinand
- Regele Ferdinand-class destroyer
- SMS Regensburg
- Regina Elena-class battleship
- Italian battleship Regina Elena
- Regina Margherita-class battleship
- Italian battleship Regina Margherita
- NMS Regina Maria
- Italian ironclad Regina Maria Pia
- Regina Maria Pia-class ironclad
- Regioni-class cruiser
- Reina Victoria Eugenia-class battleship
- French ironclad Reine Blanche
- HMS Renard (1909)
- French destroyer Renaudin
- HMS Renown (1895)
- HMS Renown (1916)
- Renown-class battlecruiser
- French battleship République
- HMS Repulse (1892)
- HMS Repulse (1916)
- French ironclad Requin
- Reşadiye-class battleship
- HMS Resistance (1782)
- HMS Resistance (1801)
- HMS Resistance (1861)
- HMS Resolution (1892)
- HMS Resolution (09)
- HMS Retriever (1917)
- French ironclad Revanche
- HMS Revenge (06)
- HMS Revenge (1892)
- Revenge-class battleship
- Soviet frigate Rezvyy
- Rhein-class monitor
- USS Rhode Island (BB-17)
- HMT Richard Bacon
- French ironclad Richelieu
- French battleship Richelieu
- Richelieu-class battleship
- Brazilian monitor Rio Grande
- Brazilian ironclad Rio de Janeiro
- USS Roanoke (1855)
- HMS Rodney (29)
- USS Roi
- Italian battleship Roma (1907)
- Italian battleship Roma (1940)
- Italian ironclad Roma
- Roma-class ironclad
- USS Romeo
- HMS Romney (1762)
- HMS Romulus (1785)
- Roon-class cruiser
- Russian cruiser Rossia
- SMS Rostock
- HMT Royal Edward
- HMS Royal Oak (1862)
- HMS Royal Oak (1892)
- HMS Royal Sovereign (05)
- HMS Royal Sovereign (1891)
- Royal Sovereign-class battleship
- HMS Ruby (1910)
- Rudyard Kipling (ship)
- USS Rudyerd Bay
- Ruggiero di Lauria-class ironclad
- Italian ironclad Ruggiero di Lauria
- Russian cruiser Rurik (1906)
- Russian monitor Rusalka
- HMS Russell (1901)
- SS Russia (1872)
- Japanese ironclad Ryūjō
- SMS S36 (1914)
- Soviet submarine S-99
- SMS Schwalbe
- SMS Sperber
- SMS Sachsen
- SMS Sachsen (1916)
- Sachsen-class ironclad
- Italian cruiser Saetta
- HMS Safari
- USS Saginaw Bay
- HMS Sahib
- SMS Saida
- French battleship Saint Louis
- Japanese cruiser Sakawa
- Japanese destroyer Sakura (1944)
- HMS Saladin (1919)
- SMS Salamander (1850)
- SMS Salamander (1861)
- USS Salamaua
- HMS Saldanha (1809)
- HMS Salmon (1916)
- Ottoman destroyer Samsun
- SS Samuel Huntington
- San Esteban (1554 shipwreck)
- Italian cruiser San Giorgio
- San Giorgio-class cruiser
- Italian cruiser San Marco
- Italian ironclad San Martino
- SMS Sankt Georg
- Russian submarine Sankt Peterburg (B-585)
- Brazilian monitor Santa Catharina
- HMS Saracen (P247)
- Italian ironclad Sardegna
- HMS Sardonyx (1919)
- USS Sargent Bay
- INS Saryu (P54)
- Japanese battleship Satsuma
- Satsuma-class battleship
- USS Saugus (1863)
- HMS Savage (G20)
- USS Savo Island
- French ironclad Savoie
- French aviso Savorgnan de Brazza
- HMS Sceptre (P215)
- Scharnhorst-class battleship
- German battleship Scharnhorst
- Scharnhorst-class cruiser
- Schwalbe-class cruiser
- CSS Scorpion
- Scorpion-class ironclad
- HMS Scout (1918)
- Sea Cloud
- HMS Sea Nymph (P223)
- HMS Sea Rover
- HMS Seadog
- HMS Searcher (1918)
- SMS Sebenico
- SMS Seeadler
- Seeteufel
- Seisho Maru
- HMS Seraph (1918)
- Soviet destroyer Serdity (1940)
- HMS Setter (1916)
- Japanese battleship Settsu
- Russian battleship Sevastopol (1911)
- Russian ironclad Sevastopol
- German cruiser Seydlitz
- French cruiser Sfax
- INS Shakti (A57)
- HMS Shalimar
- USS Shamrock Bay
- HMS Shannon (1906)
- Soviet destroyer Shaumyan
- HMS Sheldrake (1911)
- Japanese destroyer Shii
- Japanese battleship Shikishima
- Shikishima-class battleship
- Japanese aircraft carrier Shin'yō
- Ship camouflage
- USS Shipley Bay
- Shivalik-class frigate
- INS Shivalik
- Japanese aircraft carrier Shōhō
- Italian ironclad Sicilia
- HMS Sickle
- USS Sidney C. Jones
- SMS Siegfried
- Siegfried-class coastal defense ship
- Silba-class landing ship-minelayer
- Soviet destroyer Silny
- HMS Simoom (P225)
- Sinking of the Spanish trawler Sonia
- Russian battleship Sinop
- HMS Sirdar (1918)
- French destroyer Siroco (1939)
- Russian battleship Sissoi Veliky
- USS Sitkoh Bay
- Soviet destroyer Skory (1939)
- Soviet destroyer Slavny (1939)
- Yugoslav submarine Smeli
- Soviet destroyer Smely (1939)
- Russian monitor Smerch
- Soviet destroyer Smyshlyony (1940)
- Soviet destroyer Sokrushitelny (1937)
- USS Solomons
- Croatian patrol boat Šolta (OB-02)
- Soviet destroyer Soobrazitelny (1940)
- SMS Sophie
- USS South Carolina (BB-26)
- USS South Dakota (BB-57)
- South Dakota-class battleship (1939)
- South Dakota-class battleship (1920)
- Soviet destroyer Sovershenny (1940)
- Soviet guard ship Groza
- SMS Spalato
- Greek ironclad Spetsai
- HMS Spiteful (1899)
- HMS Splendid (P228)
- Yugoslav destroyer Split
- HMS Sportsman
- Soviet destroyer Sposobny (1940)
- Soviet destroyer Sposobny (1970)
- USS Squando
- CSS Squib
- Squib-class torpedo boat
- HMS Stag (1812)
- Stalingrad-class battlecruiser
- Soviet destroyer Statny (1939)
- HMS Staunch (1910)
- USS Steamer Bay
- SMS Stein
- SMS Stettin
- HMS Stonehenge (P232)
- HMS Stork (1916)
- Soviet destroyer Storozhevoy
- SMS Stosch
- Soviet destroyer Stoyky (1938)
- SMS Stralsund
- French battleship Strasbourg
- Soviet destroyer Strashny
- SMS Strassburg
- HMS Stratagem
- Russian monitor Strelets
- Soviet destroyer Strogy (1939)
- Italian cruiser Stromboli
- HMS Stronghold
- Soviet destroyer Stroyny (1940)
- HMS Sturdy (1919)
- SMS Stuttgart
- French cruiser Suchet
- SS Suevic
- French ironclad Suffren
- Japanese destroyer Sugi (1944)
- French cruiser Sully
- HMS Sultan (1775)
- Japanese destroyer Sumire (1944)
- HMS Superb (1907)
- French cruiser Surcouf
- Soviet destroyer Surovy (1940)
- French ironclad Surveillante
- USRC Surveyor
- Svetlana-class cruiser
- Soviet destroyer Svirepy
- Soviet frigate Svirepyy
- Soviet destroyer Svobodny (1940)
- HMS Swallow (1745)
- HMS Swiftsure (1903)
- Swiftsure-class battleship
- HMS Swordfish (1916)
- HMAS Sydney (D48)
- HMS Syrtis
- SMS Szent István
- German torpedo boat T1
- German torpedo boat T2
- German torpedo boat T3
- Yugoslav torpedo boat T6
- Yugoslav torpedo boat T8
- German torpedo boat T13
- German torpedo boat T14
- German torpedo boat T15
- German torpedo boat T16
- German torpedo boat T17
- German torpedo boat T18
- German torpedo boat T19
- German torpedo boat T20
- German torpedo boat T21
- German torpedo boat T22
- German torpedo boat T23
- German torpedo boat T24
- German torpedo boat T25
- German torpedo boat T26
- German torpedo boat T27
- German torpedo boat T28
- German torpedo boat T29
- German torpedo boat T30
- German torpedo boat T31
- German torpedo boat T32
- German torpedo boat T33
- German torpedo boat T34
- German torpedo boat T35
- German torpedo boat T36
- HMS Tabard (P342)
- Japanese destroyer Tachibana (1944)
- French cruiser Tage
- Japanese aircraft carrier Taiyō
- Taiyō-class escort carrier
- Japanese cruiser Takachiho
- USS Takanis Bay
- Japanese destroyer Take (1944)
- Brazilian ironclad Tamandaré
- HSwMS Tapperheten (1901)
- French destroyer Tartu (1931)
- Soviet destroyer Tashkent
- SMS Tátra
- USS Taylor (DD-94)
- Soviet destroyer Tbilisi
- USS Tecumseh (1863)
- Tegetthoff-class battleship
- SMS Tegetthoff (1878)
- SMS Tegetthoff (1912)
- HMS Temeraire (1907)
- French ironclad Tempête
- USS Tennessee (BB-43)
- Tennessee-class battleship
- Italian ironclad Terribile
- HMS Terrible (1895)
- French ironclad Terrible
- Terrible-class ironclad
- HMS Terror (I03)
- Japanese destroyer Teruzuki (1941)
- Tessarakonteres
- HMS Tetrarch (1917)
- USS Texas (BB-35)
- USS Texas (1892)
- HMS Thames (1885)
- Thames-class frigate
- USS Thetis Bay
- French ironclad Thétis
- SMS Thetis
- HMS Thisbe (1824)
- ICGV Þór (2009)
- HSwMS Thordön (1865)
- HMS Thruster (1917)
- HMS Thunderer (1872)
- HMS Thunderer (1911)
- Russian monitor Tifon
- SMS Tiger (1887)
- French destroyer Tigre
- HMS Tiptoe (P332)
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- German destroyer Z14 Friedrich Ihn
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- German destroyer Z16 Friedrich Eckoldt
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- German destroyer Z18 Hans Lüdemann
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- German destroyer Z20 Karl Galster
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- German destroyer Z22 Anton Schmitt
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- Good topics
Amazon-class frigates (1795)- Wikipedia:Good topics/Alma class ironclads
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