D11

D11, D.XI, D XI or D-11 may refer to:

Ships

• ARA La Argentina (D-11), a 1981 destroyer of the Argentine navy
• HMAS Vampire (D11), a 1956 destroyer of the Royal Australian Navy
• HMS Impulsive (D11), a 1937 United Kingdom Royal Navy destroyer which saw service during World War II
• Nueva Esparta, a Venezuelan Navy Nueva Esparta-class destroyer

Aircraft

• Albatros D.XI, a 1918 German single-seat fighter biplane
• Fokker D.XI, a 1923 Dutch single-seat fighter aircraft
• Jodel D.11, a two-seat French commercial aircraft

Locomotives

• Bavarian D XI, an 1895 German saturated steam locomotive model
• GS&WR Class D11, a steam locomotive of Ireland
• LNER Class D11, a class of British 4-4-0 locomotives introduced in 1919 by the Great Central Railway

Medicine

• ATC code D11, Other dermatological preparations, a subgroup of the Anatomical Therapeutic Chemical Classification System
• Warthin's tumor, ICD-10 code

Other uses

• DXi, DirectX Instrument plugins
• D11 motorway (Czech Republic)
• DirecTV-11, a DirecTV satellite
• Dublin 11, a Dublin, Ireland postal district
• Slav Defence, 3.Nf3, Encyclopaedia of Chess Openings code
• Colorado Springs School District 11 (D-11)
• Caterpillar D11, a large conventional bulldozer
• London's Metropolitan Police Specialist Firearms Command, formerly known as D11
• HDCAM (D-11), a professional digital high definition video format

See also

• 11D (disambiguation)