Kost

Kost or KOST may refer to:
 * KOST, a radio station (103.5 FM) licensed to Los Angeles, California, United States
 * KOST, original call letters for KILT-FM, Houston, Texas, United States
 * Kost Castle, a castle in the Czech Republic
 * Kost, Minnesota, a community in the United States
 * Kost (surname), a family surname

People with the given name Kost

 * Kost Human, South African rugby league player who represented his country in the 1995 World Cup
 * Kost Lavro (born 1961), Ukrainian artist and illustrator
 * Kost Levytsky (1859–1941), Ukrainian politician
 * Kost Novytsky (born 1950), Ukrainian musician
 * Fräulein Kost, a character in the musical Cabaret and the 1972 film adaptation