D11
D11 or D-11 stands for:
- Documenta11 , world exhibition of contemporary art in 2002 in Kassel
- Dálnice 11 , a Czech motorway
- HMS Impulsive (D11) , an I-class destroyer of the Royal Navy during World War II
- Jodel D11 , French sport airplane
- Ostsee – Oberbayern (D11) , a long-distance cycle route in the D-route network
- SS-N-17 Snipe , a submarine-based medium-range ballistic missile made in Russia