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 surname

Given name

• 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

• (1897-1974), Ukrainian politician, publicist, lawyer, and head of the UNR government in exile

Fictional characters

• Fräulein Kost, a character in the musical Cabaret and the 1972 film adaptation

See also