D12 (disambiguation)

D12 is an American hip-hop group originating from Detroit, Michigan.

D12 may also refer to:

In military transport:

• ARA Heroína (D-12), a 1983 Argentine Navy MEKO 360H2 series destroyer
• Albatros D.XII, a 1918 German single-seat fighter biplane
• Pfalz D.XII, a 1918 German fighter aircraft
• HMS Striker (D12), a 1942 British converted aircraft carrier
• D-12 Almirante Clemente, a Venezuelan Navy Almirante Clemente class destroyer
• D-12 armoured car, a Soviet military vehicle of the early 1930s
• Dewoitine D.12, a French Dewoitine aircraft

In civilian transport:

• Spyker D12, a luxury vehicle made by Dutch car company Spyker
• Bavarian D XII, a 1897 German steam locomotive model
• Curtiss D-12, a 1923 aircraft engine
• PRR D12, an American PRR 4-4-0 type steam locomotive
• GS&WR Class D12, a Great Southern and Western Railway Irish steam locomotive

In other uses:

• a nickname for DirecTV-12, a DirecTV satellite
• D12, part of the Allis-Chalmers D Series of tractors
• a nickname for NBA All-Star Dwight Howard, whose jersey number is 12
• d12, a twelve-sided polyhedral dice
• Dublin 12, a Dublin, Ireland postal district
• Familial adenomatous polyposis ICD-10 code
• D12 Diamond Nurturing System (aka Twowings Nurturing System), a comprehensive Protestant church discipleship/growth program
• Acronym for Double 12, mean two tanks with 12 liter in Scuba diving