K14 may refer to: K-14 (Kansas highway) K-14 education K-14 process, a photographic film developing process , a submarine of the Royal Navy IAR K14, a Romanian aircraft engine Kimpo Air Base, now Gimpo International Airport, established during the Korean War Nissan Micra (K14), a Japanese subcompact car S&T Motiv K14, a South Korean sniper rifle Sonata in C, K. 14, by Wolfgang Amadeus Mozart