Kaun could refer to one of the following:
- Kaun (film), a 1999 Hindi film by Ram Gopal Verma
- Kaun (song) is a song by Indian Ocean from album Kandisa
- Sasha Kaun, Russian basketball player
- The Old Norse name of the k rune; see Kaunan
- Káun, the Hungarian name of Căoi village, Veţel Commune, Hunedoara County, Romania
- The ICAO location identifier for Auburn Municipal Airport (California)