Wikipedia:WikiProject Ohio/Articles/J
- J. Brent Bill
- J. Craig Wright
- J. Edward Russell
- J. Elmer Spyglass
- J. Eugene Harding
- J. Ford Laning
- J. Harry McGregor
- J. Henry Goeke
- J. Madison Wright Morris
- J. Paul Boehmer
- J. R. Bremer
- J. R. Niklos
- J. R. Reid
- J. Rawls
- J. Robert Fowler
- J. Samuel Cook
- J. Warren Bettis
- J. Warren Keifer
- J. William Stanton
- J.D. (Scrubs)
- Jabez Vodrey
- Jabez W. Fitch
- Jack Baker (actor)
- Jack Baldschun
- Jack Bickham
- Jack Boyle
- Jack Briggs
- Jack Buck
- Jack Bushelman
- Jack Craciun III
- Jack D. Hunter
- Jack Ford (politician)
- Jack Hallett
- Jack Hanna
- Jack Hanrahan
- Jack Hewitt
- Jack Hope
- Jack Hourigan
- Jack Kilcoyne
- Jack Kiser
- Jack Kralick
- Jack Lambert (American football)
- Jack Miner
- Jack Mollenkopf
- Jack Nicklaus
- Jack Paar
- Jack Perkins
- Jack Pfiester
- Jack Plotnick
- Jack Renner (recording engineer)
- Jack Reynolds (American football)
- Jack Riley
- Jack Scheible
- Jack Sensenbrenner
- Jack Taylor (20th century baseball player)
- Jack Taylor (musician)
- Jack Thompson (attorney)
- Jack L. Warner
- Jack Warner Schaefer
- Jack Weston
- Jackie Gayda
- Jackie Mayo
- Jackie Presser
- Jackie Tavener
- Jackie Warner
- Jackson-Milton High School
- Jackson Center High School
- Jackson Center, Ohio
- Jackson County Apple Festival
- Jackson County, Ohio
- Jackson Edward Betts
- Jackson High School (Jackson, Ohio)
- Jackson High School (Massillon, Ohio)
- Jackson Hill Park
- Jackson Local School District
- Jackson School District (Ohio)
- Jackson Township, Allen County, Ohio
- Jackson Township, Ashland County, Ohio
- Jackson Township, Auglaize County, Ohio
- Jackson Township, Brown County, Ohio
- Jackson Township, Champaign County, Ohio
- Jackson Township, Clermont County, Ohio
- Jackson Township, Coshocton County, Ohio
- Jackson Township, Crawford County, Ohio
- Jackson Township, Darke County, Ohio
- Jackson Township, Franklin County, Ohio
- Jackson Township, Guernsey County, Ohio
- Jackson Township, Hancock County, Ohio
- Jackson Township, Hardin County, Ohio
- Jackson Township, Highland County, Ohio
- Jackson Township, Jackson County, Ohio
- Jackson Township, Knox County, Ohio
- Jackson Township, Mahoning County, Ohio
- Jackson Township, Monroe County, Ohio
- Jackson Township, Montgomery County, Ohio
- Jackson Township, Muskingum County, Ohio
- Jackson Township, Noble County, Ohio
- Jackson Township, Ohio
- Jackson Township, Paulding County, Ohio
- Jackson Township, Perry County, Ohio
- Jackson Township, Pickaway County, Ohio
- Jackson Township, Pike County, Ohio
- Jackson Township, Preble County, Ohio
- Jackson Township, Putnam County, Ohio
- Jackson Township, Richland County, Ohio
- Jackson Township, Sandusky County, Ohio
- Jackson Township, Seneca County, Ohio
- Jackson Township, Shelby County, Ohio
- Jackson Township, Stark County, Ohio
- Jackson Township, Union County, Ohio
- Jackson Township, Van Wert County, Ohio
- Jackson Township, Vinton County, Ohio
- Jackson Township, Wood County, Ohio
- Jackson Township, Wyandot County, Ohio
- Jackson, Ohio
- Jacksonburg, Ohio
- Jacksontown, Ohio
- Jacksonville, Ohio
- Jacob A. Ambler
- Jacob A. Beidler
- Jacob Ammen
- Jacob Bell (American football)
- Jacob Brinkerhoff
- Jacob Bromwell House (Wyoming, Ohio)
- Jacob Burnet
- Jacob D. Cox House (Cincinnati, Ohio)
- Jacob Dolson Cox
- Jacob E. Davis
- Jacob H. Bromwell
- Jacob J. Pugsley
- Jacob Mueller
- Jacob Parrott
- Jacob Pitzer Cowan
- Jacob R. Brandt
- Jacob Rader Marcus
- Jacob Romeis
- Jacob S. Coxey Sr.
- Jacob Teitelbaum
- Jacobsburg, Ohio
- Jacor
- Jacqueline Woodson
- Jacquelyn Mayer
- Jaded Era
- Jaid Black
- Jaime Legato
- Jaite Mill Historic District
- Jake Abel
- Jake Stenzel
- Jake Striker
- Jamar Martin
- Jamboree in the Hills
- James A Garfield High School (Garrettsville, Ohio)
- James A. Campbell
- James A. D. Richards
- James A. Drake
- James A. Garfield
- James A. Garfield National Historic Site
- James A. Greer
- James A. Hill
- James A. King, Jr.
- James A. Norton
- James A. Rhodes Arena
- James A. Rhodes State College
- James Akey Farm (Wayne County, Ohio)
- James Alexander, Jr.
- James Allen (Mormon Battalion)
- James Ashmore Creelman
- James B. Allardice
- James B. Hill
- James B. Howell
- James B. Hughes
- James B. McPherson
- James B. Ray
- James B. Steedman
- James Baxter House (Amberley Village, Ohio)
- James C. Donnell
- James Caldwell (Ohio)
- James Calhoun (soldier)
- James Cancer Hospital
- James Celebrezze
- James D. Post
- James D. Williams
- James Douglas (boxer)
- James E. Akins
- James E. Campbell
- James E. Robinson
- James Edwards (basketball)
- James Edwin Campbell (poet)
- James Elliott, Jr.
- James Ellsworth
- James Emery
- James F. Ballard
- James F. Schenck
- James Falconer Wilson
- James Farragher
- James Findlay (Cincinnati mayor)
- James Ford Rhodes
- James Ford Rhodes High School
- James Frey
- James G. Birney
- James G. Carr
- James G. Polk
- James Gamble
- James Gang
- James H. Bronson
- James H. Cassidy
- James H. Kyle
- James H. McGee
- James H. Southard
- James Harper Starr
- James Harris (politician)
- James Harrison (American football)
- James Hines
- James Hyde
- James I. Dungan
- James Ingram
- James Irvine (educator)
- James Isaac Good
- James J. Faran
- James J. Winans
- James John Parker
- James Joyce (congressman)
- James Kennedy (congressman)
- James Kilbourne
- James Koppel Gutheim
- James L. Knight
- James Laurence Laughlin
- James Lawson
- James Levine
- James Loeb
- James M. Comly
- James M. Cox
- James M. Gaylord
- James M. Kelly (politician)
- James M. Ritchie
- James Martin Bell
- James Mathews (representative)
- James McBride (pioneer)
- James Mercer Langston
- James Metzenbaum
- James Mills Thoburn
- James Mitchell Ashley
- James Mitchell Varnum
- James Monroe (congressman)
- James Myers (politician)
- James P. Hidley Cottage (Reily, Ohio)
- James P. Latta
- James Pickens, Jr.
- James Posey
- James Purdy
- James R. Morris
- James R. Sherck
- James R. Ward
- James Randolph Hubbell
- James Renner
- James Ritty
- James Rudolph Garfield
- James S. Robinson
- James Seccombe
- James Shields (1762-1831)
- James Silas
- James T. Begg
- James T. Brand
- James T. Licavoli
- James Thomas Lynn
- James Thurber
- James Traficant
- James V. Hartinger
- James V. Stanton
- James W. Denver
- James W. Faulkner
- James W. Forsyth
- James W. Gazlay
- James W. Huffman
- James W. McDill
- James W. Owens (congressman)
- James W. Shocknessy
- James Wakefield
- James Wallace Robinson
- James Warren (actor)
- James Weaver
- James Whallon House (Greenhills, Ohio)
- James Wright (poet)
- James Wright Poetry Festival
- Jamestown Vikings
- Jamestown, Ohio
- Jamey Haddad
- Jamie Babbit
- Jamie Farr
- Jamie Farr Owens Corning Classic
- Jamie Feick
- Jamie Mueller
- Jamie O'Hara (singer)
- Jan Adams
- Jan DeGaetani
- Jan Roberts
- Jan Wahl
- Jane Addams Business Careers Center
- Jane French
- Jane L. Campbell
- Jane Louise Curry
- Jane Mitakides
- Jane Randolph
- Jane Scott
- Janet Cooke
- Jani Lane
- Janice Rule
- Janis Carter
- Januarius MacGahan
- Jared Ilovar
- Jaroslav Pelikan
- Jarrod Bunch
- Jarrod Cooper
- Jarvis W. Pike
- Jason Collier
- Jason Dodson
- Jason Dohring
- Jason Kapono
- Jason Molina
- Jason Popson
- Jason Scobie
- Jason Short
- Jason Trusnik
- Jason Wilson
- Jasper Mills, Ohio
- Jasper Township, Fayette County, Ohio
- Jasper, Ohio
- Javon Ringer
- Jay Bachman
- Jay Burson
- Jay Clayton
- Jay Cooke
- Jay Cooke House
- Jay Crawford
- Jay DeMarcus
- Jay Goyal
- Jay Guidinger
- Jay Miltner
- Jay Payton
- Jay Westbrook
- Jay Williams (politician)
- Jayhawk Owens
- Jayne Kennedy
- Jaysville, Ohio
- JD Samson
- Jean Jani
- Jean Peters
- Jean Schmidt
- Jean Spencer Ashbrook
- Jeane Manson
- Jeanne Zelasko
- Jediah Hill Covered Bridge (Ohio)
- Jeff Berding
- Jeff Burr
- Jeff Cook (basketball)
- Jeff Davidson
- Jeff Gerth
- Jeff Golub
- Jeff Graham
- Jeff Hardenbrook
- Jeff Hartings
- Jeff Jacobson (Ohio)
- Jeff Lampkin
- Jeff Logan
- Jeff McInnis
- Jeff Montgomery (baseball)
- Jeff Mullen
- Jeff Nesmith
- Jeff Reboulet
- Jeff Russell
- Jeff Seemann
- Jeff Smith (cartoonist)
- Jeff Stoudemire
- Jeff Terrell (American football)
- Jeff Timmons
- Jeff Trepagnier
- Jeff Wilkins
- Jefferson Area High School (Jefferson, Ohio)
- Jefferson Area Local High School
- Jefferson County, Ohio
- Jefferson Elementary School (Dresden)
- Jefferson Furnace
- Jefferson High School (Delphos, Ohio)
- Jefferson Schoolhouse (Indian Hill, Ohio)
- Jefferson Township High School (Dayton, Ohio)
- Jefferson Township Local School District
- Jefferson Township, Adams County, Ohio
- Jefferson Township, Ashtabula County, Ohio
- Jefferson Township, Brown County, Ohio
- Jefferson Township, Clinton County, Ohio
- Jefferson Township, Coshocton County, Ohio
- Jefferson Township, Crawford County, Ohio
- Jefferson Township, Fayette County, Ohio
- Jefferson Township, Franklin County, Ohio
- Jefferson Township, Greene County, Ohio
- Jefferson Township, Guernsey County, Ohio
- Jefferson Township, Jackson County, Ohio
- Jefferson Township, Knox County, Ohio
- Jefferson Township, Logan County, Ohio
- Jefferson Township, Madison County, Ohio
- Jefferson Township, Mercer County, Ohio
- Jefferson Township, Montgomery County, Ohio
- Jefferson Township, Muskingum County, Ohio
- Jefferson Township, Noble County, Ohio
- Jefferson Township, Ohio
- Jefferson Township, Preble County, Ohio
- Jefferson Township, Richland County, Ohio
- Jefferson Township, Ross County, Ohio
- Jefferson Township, Scioto County, Ohio
- Jefferson Township, Tuscarawas County, Ohio
- Jefferson Township, Williams County, Ohio
- Jefferson, Ohio
- Jeffersonville, Ohio
- Jeffrey D. Feltman
- Jeffrey D. Sams
- Jeffrey Dahmer
- Jeffrey Hatcher
- Jeffrey Hatrix
- Jeffrey Miller
- Jeffrey Mylett
- Jeffrey R. Immelt
- Jeffrey S. Medkeff
- Jehu John House (Ohio)
- Jelani McCoy
- Jen Hendershott
- Jenera, Ohio
- Jenifer McKitrick
- Jennette Bradley
- Jennie Worrell
- Jennifer Brady
- Jennifer Brunner
- Jennifer Crusie
- Jennifer Garrison
- Jennifer Hetrick
- Jennifer Marlowe
- Jennifer Niederst Robbins
- Jennifer Walcott
- Jennings Township, Ohio
- Jennings Township, Putnam County, Ohio
- Jennings Township, Van Wert County, Ohio
- Jenny Holzer
- Jensen Lewis
- Jeptha Wade
- Jere Ratcliffe
- Jeremiah McLain Rusk
- Jeremiah McLene
- Jeremiah Morrow
- Jeremiah Morrow Bridge
- Jeremy Green
- Jeremy Lincoln
- Jermaine Stewart
- Jerome Conley
- Dublin Jerome High School (Dublin, Ohio)
- Jerome Lane
- Jérôme Moïso
- Jerome Schottenstein Center
- Jerome Township, Union County, Ohio
- Jerome Whitehead
- Jeromesville, Ohio
- Jerri Nielsen
- Jerrie Mock
- Jerry Allen
- Jerry Bergman
- Jerry Brightman
- Jerry Byrd
- Jerry City, Ohio
- Jerry DePizzo
- Jerry Douglas (musician)
- Jerry Heller
- Jerry Lucas
- Jerry Lynn Young
- Jerry Marotta
- Jerry McGee
- Jerry Nops
- Jerry Olsavsky
- Jerry Page
- Jerry Rubin
- Jerry Siegel
- Jerry Springer
- Jerry Tarkanian
- Jersey Township, Licking County, Ohio
- Jerusalem Township, Lucas County, Ohio
- Jerusalem, Ohio
- Jess Smith
- Jessalyn Van Trump
- Jesse B. Thomas
- Jesse E. Moorland
- Jesse Fuller McDonald
- Jesse Haines
- Jesse Owens
- Jesse Owens Memorial Stadium
- Jesse R. Pitts
- Jesse Shera
- Jesse Stuart Memorial Bridge
- Jesse White (actor)
- Jewell, Ohio
- Jewett Car Company
- Jewett, Ohio
- Jewish Civil War Memorial (Cincinnati, Ohio)
- Jewish Hospital, Cincinnati, Ohio
- Jiggs Donahue
- Jiggs Whigham
- Jill Paice
- Jim Backus
- Jim Bagby, Jr.
- Jim Ballard
- Jim Bede
- Jim Bolger (baseball)
- Jim Borgman
- Jim Boyle
- Jim Brewer (basketball)
- Jim Brickman
- Jim Brideweser
- Jim Britt
- Jim Brosnan
- Jim Carmichael
- Jim Chones
- Jim Cleamons
- Jim Cummings
- Jim Delahanty
- Jim Detwiler
- Jim Dine
- Jim Donovan (sportscaster)
- Jim Frey
- Jim Glover
- Jim Heacock
- Jim Houston
- Jim Hudson
- Jim Jackson (basketball)
- Jim Jarmusch
- Jim Jordan (Ohio politician)
- Jim Joyce
- Jim Karcher
- Jim Lachey
- Jim Laughlin
- Jim Leyland
- Jim Leyritz
- Jim Luken
- Jim Lynch
- Jim Lyttle
- Jim Macpherson
- Jim Mandich
- Jim Michael Hansen
- Jim Monachino
- Jim Mothersbaugh
- Jim Otis
- Jim Paxson
- Jim Petro
- Jim Provenzano
- Jim Rhodes
- Jim Ritcher
- Jim Rohr
- Jim Root (American football)
- Jim Runyon
- Jim Snowden
- Jim Stillwagon
- Jim Tarbell
- Jim Terry
- Jim Thorpe
- Jim Tocco
- Jim Trakas
- Jim Tressel
- Jim Tully
- Jim Tyrer
- Jim Watkins
- Jiminy Glick
- Jimmie Lee Sloas
- Jimmy Austin
- Jimmy Boyle (catcher)
- Jimmy Butler
- Jimmy Fratianno
- Jimmy Fryzel
- Jimmy McAleer
- Jimmy Oliver (basketball)
- Jimmy Robertson (American football)
- Jimmy Snyder (sports commentator)
- Jimmy Stewart (Ohio politician)
- Jimmy Wasdell
- Jimmy Wynn
- Jiří Welsch
- Jo-Ann Stores
- Joan Diener
- Job E. Stevenson
- Jocko Fields
- Jodi Applegate
- Joe Adcock
- Joe Banks
- Joe Barbee
- Joe Bartos
- Joe Chlapaty
- Joe Cimperman
- Joe Crotty
- Joe Delahanty
- Joe Deters
- Joe Dolce
- Joe E. Brown (comedian)
- Joe Ellick
- Joe Estevez
- Joe Finan
- Joe Flynn (US actor)
- Joe Gilliam, Sr.
- Joe Glazer
- Joe Hagin
- Joe Henderson
- Joe Jackson (American football)
- Joe Johnson (American football)
- Joe Jurevicius
- Joe Kelly (American football)
- Joe Kernen
- Joe Kuhel
- Joe Lanham
- Joe Niekro
- Joe Nossek
- Joe Nuxhall
- Joe Palmisano
- Joe R. Hastings
- Joe Russo (director)
- Joe Seneca
- Joe Shuster
- Joe Smith (baseball)
- Joe Smith (basketball)
- Joe Sparma
- Joe Strauss
- Joe Sulzer
- Joe Szwaja
- Joe Tait
- Joe the Plumber
- Joe Vosmik
- Joe Walsh
- Joel Crothers
- Joel Dewey
- Joel Hunter
- Joel Hyatt
- Joey Browner
- Joey Galloway
- Joey Long
- Joey Maxim
- Joey Sindelar
- John's Korner Bar
- John "Hot Rod" Williams
- John A. Caldwell
- John A. Creighton
- John A. Fulton
- John A. Gurley
- John A. Key
- John A. McDowell
- John A. McMahon
- John A. McShane
- John A. Quitman
- John A. Roebling Suspension Bridge
- John Adams (drummer)
- John Adams High School (Cleveland, Ohio)
- John Alexander (Ohio)
- John and Maria Adams House
- John Anderson (NASCAR driver)
- John Anthony Copeland, Jr.
- John Armstrong Smith
- John Arthur Ferch
- John Artz Farmhouse (Fairfield County, Ohio)
- John Aston Warder House (Ohio)
- John Augspurger Farm No. 1
- John Augspurger Farm No. 1 (Ohio)
- John Augspurger Farm No. 2
- John Augspurger Farm No. 2 (Ohio)
- John Augustine Zahm
- John B. Hollister
- John B. Rice
- John B. Tytus
- John B. Tytus House (Middletown, Ohio)
- John B. Weller
- John Bagley (basketball)
- John Baldwin (educator)
- John Baptist Purcell
- John Bassette
- John Battle (basketball)
- John Beatty (Ohio banker)
- John Bell (Ohio politician)
- John Berdan
- John Berry (congressman)
- John Bingham
- John Bixler
- John Blackburn (songwriter)
- John Boccieri
- John Boehner
- John Bowie
- John Bridgeland
- John Brough
- John Brown (abolitionist)
- John Bryan State Park
- John Buccigross
- John Bunn
- John C. Cook
- John C. Lee
- John C. Pollock House (Wyoming, Ohio)
- John C. Sawhill
- John C. Speaks
- John C. Wright (congressman)
- John Calhoun Johnson
- John Carberry
- John Carey (congressman)
- John Carey (politician)
- John Carroll University
- John Catheline
- John Chaney (congressman)
- John Chivington
- John Church Company Building (Cincinnati, Ohio)
- John Clem
- John Cleves Symmes
- John Cradlebaugh
- John Cranley
- John Cromwell (director)
- John Crotty
- John Crowell (Ohio politician)
- John D. Altenburg
- John D. Cummins
- John D. Gardner (general)
- John D. Herbert
- John D. Kraus
- John D. Lavelle
- John D. Reese
- John D. Rockefeller
- John Dagenhard
- John Davenport (Ohio politician)
- John Davey (tree surgeon)
- John Dean
- John Delaney
- John DeMain
- John Diehl
- John Dustin Archbold
- John E. Hamm
- John E. Henderson
- John E. Hull
- John Eastman (Ohio politician)
- John Edwards (basketball)
- John Eisemann
- John Emerson (filmmaker)
- John Evans (governor)
- John Ewing (baseball)
- John F. Cassidy
- John F. Dumont Primary School
- John F. Follett
- John F. Hunter
- John F. Kennedy High School (Cleveland, Ohio)
- John F. Kennedy High School (Warren, Ohio)
- John F. Kinney
- John F. McKinney
- John F. Seiberling
- John Fedchock
- John Fedevich
- John Feldmeier
- John Filo
- John Filson
- John G. Cooper
- John G. Warwick
- John Garris
- John Glenn
- John Glenn High School (New Concord, Ohio)
- John Greco
- John Grimsley
- John H. Arnold
- John H. Balsley
- John H. Farley
- John H. Patterson Career Center
- John Hambrick
- John Hanks Alexander
- John Hastings (congressman)
- John Havlicek
- John Hay
- John Hay High School
- John Haymaker
- John Heisman
- John Henderson (wide receiver)
- John Henry Boalt
- John Henry Patterson (NCR owner)
- John Henry Twachtman
- John Henry Weston House (Cincinnati, Ohio)
- John Hessin Clarke
- John Hlay
- John Hockenberry
- John Holmes (actor)
- John Hosford House
- John Howard (American actor)
- John Howard Dellinger
- John Hutchins
- John I. Vanmeter
- John J. Babka
- John J. Emery
- John J. Gilligan
- John J. Lentz
- John J. Whitacre
- John Jacobs (Power Team Minister)
- John James McCook
- John James McCook (lawyer)
- John James McCook (professor)
- John Jay Adams
- John Johnson (basketball)
- John Johnson (Ohio)
- John Johnson Farm
- John Johnston (Indian Agent)
- John Joseph Enneking
- John Jude Palencar
- John K. Miller
- John K. Richards
- John Kasich
- John Kennel Jr. Farm (Butler County, Ohio)
- John Kennel Sr. Farm (Butler County, Ohio)
- John Kerr (football player)
- John Kerr (US politician)
- John Kissig Cowen
- John L. Burton
- John L. Cable
- John L. Taylor
- John L. Vance
- John Lambert (basketball)
- John Lee Richmond
- John Legend
- John Lewis Brenner
- John Little (congressman)
- John London
- John Louis Nuelsen
- John M. Annis House
- John M. Ashbrook
- John M. Coyne
- John M. Goodenow
- John M. Pattison
- John M. Schlichter
- John Mack (musician)
- John Mackey (composer)
- John Magaw
- John Mahon
- John Marcum
- John Marshall High School (Cleveland, Ohio)
- John Martin Vorys
- John Matthias
- John Mauchly
- John McBride
- John McDougall
- John McElroy
- John McLean
- John McSweeney (politician)
- John McVay
- John Mercer Langston
- John Mercer Langston House
- John Michael Botean
- John Millott Ellis
- John Moore (physician)
- John Morgan Walden
- John Morton (basketball)
- John Murray (Naperville Founder)
- John Nardi
- John Newbrough
- John O'Brien (novelist)
- John O'Neill (congressman)
- John P. Frey
- John P. Leedom
- John P. Parker House
- John P. Slough
- John Parker (abolitionist)
- John Parry (American football official)
- John Parsons (criminal)
- John Patterson (Ohio politician)
- John Paulk
- John Philo Hoyt
- John Pont
- John Pope (military officer)
- John Popper
- John Purdin
- John Purdue
- John Quincy Smith
- John Quinn (collector)
- John R. Fox
- John R. French
- John R. Goodin
- John R. Hicks
- John R. Kelso
- John R. Park
- John R. Towle
- John Randolph Spears
- John Rankin (abolitionist)
- John Rankin House
- John Reilly (baseball)
- John Reily Knox
- John Remsburg
- John Reuben
- John Ruthven
- John S. Baker House (Cincinnati, Ohio)
- John S. Casement
- John S. Jones
- John S. Knight
- John S. Savage
- John S. Snook
- John Sampen
- John Scarne
- John Scofield
- John Scott Barn and Granary (Butler County, Ohio)
- John Scott Harrison
- John Seery
- John Sferra
- John Sherman (politician)
- John Sherman Birthplace
- John Shillito Company
- John Shoupe
- John Sloane
- John Smith (Ohio Senator)
- John Stallo
- John Stark Edwards
- John Street House
- John T. Brown
- John T. McNicholas
- John T. Scalish
- John Tangeman House (Wyoming, Ohio)
- John Tavener (football)
- John Thomas Wilson
- John Thomson (politician)
- John Toll
- John Tronolone
- John Troutman
- John Uri Lloyd House (Cincinnati, Ohio)
- John V. Johnston
- John Valentine (umpire)
- John Vaughan House (Butler County, Ohio)
- John Vella
- John W. Allen
- John W. Bricker
- John W. Cassingham
- John W. Davis
- John W. Donahey
- John W. Frick
- John W. Galbreath
- John W. Griffin (politician)
- John W. Leedy
- John W. McCormick
- John W. Moussach, Jr.
- John W. Snow
- John W. Sprague
- John W. Willey
- John Warner Barber
- John Warren (basketball)
- John Welch
- John Wells Foster
- John Wesley Hoyt
- John William Brown
- John Williams Stoddard
- John Wilson Campbell
- John Woods (Ohio politician)
- John Yang (journalist)
- John Young (pioneer)
- Johnnie E. Wilson
- Johnnie LeMaster
- Johnnie Wilder, Jr.
- Johnny and the Hurricanes
- Johnny Appleseed
- Johnny Bates (baseball)
- Johnny Blatnik
- Johnny Blitz
- Johnny Davis (basketball)
- Johnny Edwards (baseball)
- Johnny Ginger
- Johnny Green (basketball)
- Johnny Hodapp
- Johnny Johnson (MLB pitcher)
- Johnny Kucab
- Johnny Lytle
- Johnny Newman
- Johnny Paycheck
- Johnny Pramesa
- Johnny Rogers
- Johnny Roseboro
- Johnny Sauer
- Johnson's Island
- Johnson-Humrickhouse Museum
- Johnson Township, Champaign County, Ohio
- Johnston Township, Trumbull County, Ohio
- Johnstown-Monroe High School
- Johnstown, Ohio
- Joint Economic Development District
- JoJuan Armour
- Jolene Siana
- Jon Diebler
- Jon Gruden
- Jon Heacock
- Jon Hendricks
- Jon Husted
- Jon Lormer
- Jon Nese
- Jon Warden
- Jonas H. McGowan
- Jonas R. Emrie
- Jonathan Alder High School
- Jonathan Bennett (actor)
- Jonathan D. Keaton
- Jonathan D. Morris
- Jonathan Dayton
- Jonathan Freeman
- Jonathan H. Adler
- Jonathan H. Wallace
- Jonathan Morris (priest)
- Jonathan Sloane
- Jonathan T. Updegraff
- Jonathan Taylor (congressman)
- Jonathan Valin
- Jonathan Winters
- Jones Day
- Jones Middle School (Upper Arlington)
- Jordan Brauninger
- Jordan Motor Car Company
- Jorn Barger
- Jose Davis
- Joseph A. Dixon
- Joseph A. Hemann House
- Joseph A. McDonald
- Joseph Armstrong Farm (Fredericksburg, Ohio)
- Joseph Arthur
- Joseph B. Crowley
- Joseph B. Foraker
- Joseph Bailey (general)
- Joseph Bangust
- Joseph Bernardin
- Joseph Bova
- Joseph Burns
- Joseph C. Dylkes
- Joseph Cable
- Joseph Carr
- Joseph D. Taylor
- Joseph Desch
- Joseph E. Baird
- Joseph E. McDonald
- Joseph F. Farley
- Joseph Ferris House (Cincinnati, Ohio)
- Joseph Filkowski
- Joseph G. Butler, Jr.
- Joseph G. Lapointe Jr
- Joseph G. Wilson
- Joseph H. Albers
- Joseph H. Himes
- Joseph H. Outhwaite
- Joseph H. Potter
- Joseph Halsey Crane
- Joseph Henry Sharp
- Joseph Hinrichs
- Joseph Hooker
- Joseph Hudepohl
- Joseph J. Gill
- Joseph J. McDowell
- Joseph Jonas (Cincinnati)
- Joseph Kerr
- Joseph Kosuth
- Joseph Leo Doob
- Joseph M. Root
- Joseph Maria Koudelka
- Joseph Miller
- Joseph Morris (Ohio politician)
- Joseph Naper
- Joseph P. Hoge
- Joseph P. Vigorito
- Joseph R. Cockerill
- Joseph Rea Reed
- Joseph Riddle, Jr.
- Joseph Ridgway
- Joseph S. Fowler
- Joseph Stazek
- Joseph Strauss
- Joseph Vance
- Joseph W. Baldwin House (Wyoming, Ohio)
- Joseph W. White
- Joseph Whitehill
- Joseph Young Bergen
- Josh Betts
- Josh Devore
- Josh Huston
- Josh Mandel (politician)
- Josh McDaniels
- Josh Radnor
- Josh Robert Thompson
- Josh Withers
- Josh Woodward
- Joshua Mathiot
- Joshua Mills
- Joshua R. Giddings Law Office
- Joshua Radin
- Joshua Reed Giddings
- Joshua Seth
- Joshua Stow
- Joshua W. Sill
- Josiah A. Harris
- Josiah Harmar
- Josiah Kirby House (Wyoming, Ohio)
- JournalNews
- Joy Padgett
- Joyce Beatty
- Joyce Brabner
- Jr. Gemini
- JTM Food Group
- Jud Logan
- Judah Folkman
- Judd Hambrick
- Judge William Shaw Anderson House
- Judith Ann Lanzinger
- Judith Butler
- Judith Draper
- Judith Henry
- Judith Resnik
- Judson Harmon
- Judson Laipply
- Judson Rosebush
- Judy Dodge
- Judy Robson
- Judyann Elder
- Juli Loesch
- Juliana Spahr
- Julianne Baird
- Julianne Buescher
- Julie Gregory
- Julie Hagerty
- Julie Mallozzi
- Julius Baker
- July for Kings
- Jumaine Jones
- Jumoke (gorilla)
- Junction City, Ohio
- Junction, Ohio
- June Cole
- June Henley
- Jungle Jack's Landing
- Jungle Jim's International Market
- Justice Center Complex (Cleveland, Ohio)
- Justin Chambers
- Justin Diaz
- Justin Jeffre
- Justin LeHew
- Justin Zwick