D3, D03, D.III, D III or D-3 may refer to:
Transportation Roads London Buses route D3, a Transport for London contracted bus route D3 motorway (Czech Republic), a motorway in the Czech Republic D3 road (Croatia), a state road in Croatia D3 motorway (Slovakia), a motorway in northern Slovakia
Aircraft Albatros D.III, a 1916 German biplane fighter aircraft Dewoitine D.3, a Dewoitine aircraft Dunne D.3, a British Dunne aircraft Fokker D.III, a 1916 German single-seat fighter aircraft Mercedes D.III, a 1914 German 6-cylinder, liquid-cooled inline aircraft engine Phönix D.III, a variant of the Austro-Hungarian First World War Phönix D.I biplane fighter Pfalz D.III, a 1917 German fighter aircraft Schütte-Lanz D.III, a 1918 German fighter aircraft prototype Siemens-Schuckert D.III, a 1917 German prototype single-seat fighter aircraft
Automobiles Ford D3 platform, a full-size car automobile platform Peugeot D3, a panel van manufactured from 1950 to 1955
Locomotives Bavarian D III, an 1897 steam locomotive model LB&SCR D3 class, an 1893 British 0-4-4 tank locomotive design GS&WR Class D3, a Great Southern and Western Railway Irish steam locomotive GNR Class D3, which was also classified D3 during LNER ownership Pennsylvania Railroad class D3, an 1869 American steam locomotive model
Ships HMS Icarus (D03), a 1936 British Royal Navy destroyer HMS Ranee (D03), a 1943 British Royal Navy escort aircraft carrier USS D-3 (SS-19), a 1910 US Navy submarine D3-class motor torpedo boat, a Soviet motor torpedo boat class City of Detroit III (known as "D-III"), a Great Lakes and Detroit River passenger paddle steamer
Science and technology Dihedral group of order 6 (D3) D-brane, a class of p-branes in theoretical physics D-3 (video), an uncompressed composite digital video tape format Nikon D3, a professional-level digital SLR camera Hexamethylcyclotrisiloxane, the threefold oligomer of dimethylsiloxane
Biology and medicine ATC code D03 Preparations for treatment of wounds and ulcers, a subgroup of the Anatomical Therapeutic Chemical Classification System Dopamine receptor D3, a human gene Vitamin D3 (cholecalciferol), a type of Vitamin D Melanoma in situ (ICD-10 code: D03) Iodothyronine deiodinase type III
Computing d3.js, Data Driven Documents, a JavaScript library for live web graphics based on changing data D3, a Pick database sold by Rocket Software DOCSIS 3, a cable modem standard D3, alternative name for AntiEXE, a boot sector virus
Entertainment D3 Digivice, a device from the fictional anime/manga Digimon series D3 (Tenchi Muyo! Ryo-Ohki), a character in the anime Tenchi Muyo! D3: The Mighty Ducks, the third film in The Mighty Ducks trilogy Dedication 3, a Lil' Wayne and Young Money mixtape Dhoom 3, a 2013 Indian Hindi-language action film by Vijay Krishna Acharya, third part of the Dhoom film series D3 (film), a 2023 Indian Tamil-language crime thriller by Balaaji
Video games Descent 3, a 1999 computer game Diablo III, a 2012 action role-playing game PC game by Blizzard Entertainment Dirt 3, a 2011 rallying video game Disciples III: Renaissance, a 2009 video game Disgaea 3, a 2008/2011 game in the Disgaea series Doom 3, a 2004 sci-fi horror first-person shooter computer game Driver 3, a 2004 racing, shooting, and adventure video game Organizations D3 Publisher, a Japanese video game publisher Daallo Airlines, (IATA airline code), an airline based in Dubai
Other uses Dublin 3, a Dublin, Ireland postal district NCAA Division III, in American collegiate athletics USL League One, in American professional soccer, sometimes referred to as USL D3 d3, a three-sided die in tabletop gaming d3, Mieses Opening in chess Voiced palato-alveolar affricate (former IPA symbol dʒ), a type of consonantal sound
See also
King Dedede, a character in the Kirby video game series DIII (disambiguation) 3D (disambiguation) DDD (disambiguation) d͡ʒ, the voiced postalveolar affricate in IPA