K13 or K-13 may refer to: \n* K-13 (Kansas highway) \n* HMS K13, a 1916 British Royal Navy steam-propelled K class submarine \n* Schleicher ASK 13, a 1966 German two-seater glider \n* Vympel K-13, a Soviet Union air-to-air missile \n* a fictional ski run in the South Park episode "Asspen" \n* a motion picture rating in Greece; see Motion picture rating system: Greece \n* Sonata in F, K. 13, by Wolfgang Amadeus Mozart; see Violin Sonatas, KV 10-15 (Mozart) \n* A generation of Nissan Micra built since 2010 __DISAMBIG__