K13

K13 or K-13 may refer to:


 * K-13 (film), a 2019 Indian Tamil psychological mystery thriller
 * K-13 (Kansas highway)
 * K-13 (missile), a Soviet air-to-air missile
 * K13 gas fields, in the North Sea
 * HMS K13, a submarine of the Royal Navy
 * Keratin 13
 * Nissan Micra (K13), a Japanese subcompact car
 * Schleicher ASK 13, a two-seater training glider commonly referred to as the K13
 * Sonata in F, K. 13, by Wolfgang Amadeus Mozart
 * Suwon Air Base, established during the Korean War
 * K-13, a fictional ski run in the South Park episode "Asspen"