KAC or Kac may refer to:
Organizations Kenitra Athletic Club, a football club in Kenitra, Morocco EC KAC or Klagenfurter Athletiksport Club, an ice hockey club in Klagenfurt, Austria Knight's Armament Company, an American firearm manufacturer Korea Airports Corporation Kosciusko Alpine Club, an Australian ski club
People Eduardo Kac (born 1960), Brazilian-American artist Mac Kac (1920–1987), French jazz drummer Mark Kac (1914–1984), Polish-American mathematician Victor Kac (born 1943), Russian-American mathematician
Places Kać, Novi Sad, South Bačka District, Serbia Kenyon Athletic Center, Gambier, Knox County, Ohio, US Kiaracondong railway station, Bandung, West Java, Indonesia, code
Other ICAO designator for Kuwait Airways Jinghpaw language (ISO 639-3 code)
See also Kács, Borsod-Abaúj-Zemplén, Hungary KACS, a radio station in Washington state, US Kach (disambiguation)