9D or 9-D can refer to: IATA code for Toumaï Air Tchad New York State Route 9D Kepler-9d, an extrasolar planet orbiting the star Kepler-9 SSH 9D, alternate designation for Washington State Route 108 Navy AIM-9D/G/H, designation for the AIM-9 Sidewinder Orion 9D, a model of Lockheed Model 9 Orion aircraft Yak-9D, a model of Soviet Yakovlev Yak-9 GCR Class 9D, a class of British 0-6-0 steam locomotive See also D9 (disambiguation)