K15

K15 or K-15 may refer to:


 * K-15 (Kansas highway)
 * K-15 (television series), a Macedonian comedy program
 * K15, South Korean light machine gun
 * K-15 Sagarika, an Indian submarine-launched ballistic missile
 * HMS K15, a submarine of the Royal Navy
 * HMS Heartsease (K15), a corvette of the Royal Navy
 * Kalinin K-15, a planned Soviet rocket fighter aircraft
 * Keratin 15
 * Sonata in B flat, K. 15, by Wolfgang Amadeus Mozart