D7, D07, D.VII, D VII, D.7 or D-7 may refer to:
Arts and entertainment
edit- D7, a chord (music)
- D7, a note in the whistle register
- D-7 (Wipers song), a song by the Wipers from the 1980 album Is This Real?
- Covered by Nirvana on the 1992 album Hormoaning
- D-7, a fictional Star Trek Klingon starship class
Businesses and organisations
edit- Dinar Líneas Aéreas (1992–2002), IATA airline designator D7
- AirAsia X, IATA airline designator D7
- Digital 7, a group of national governments seeking to strengthen the digital economy
Places
edit- D7 road (Croatia), a state road
- D7 motorway (Czech Republic)
- A Dublin postal district
Science, technology and mathematics
editMilitary
edit- D.VII aircraft (disambiguation), a number of aircraft
- Fokker D.VII, a German World War I fighter aircraft
- HMS Patroller (D07), a 1943 British Royal Navy escort aircraft carrier
- HMS D7, a Royal Navy submarine launched in 1911
Transportation and vehicles
edit- Bavarian D VII, an 1880 German steam locomotive model
- Caterpillar D7, a 1938 medium bulldozer
- Dewoitine D.7, a 1920s French sport plane
- Pennsylvania Railroad class D7, a steam locomotive
- LNER Class D7, a class of British steam locomotives
- ATS D7, a Formula One racing car
- D7 Super, a BSA Bantam motorcycle
Other
edit- ATC code D07, Corticosteroids, dermatological preparations, a subgroup of the Anatomical Therapeutic Chemical Classification System
- D7 polytope, in 7-dimensional geometry
- d7, a d electron count
- DVCPRO (D-7), a professional digital video format