Flak (from German Flugabwehrkanone (Flak) 'aircraft defence cannon' is anti-aircraft fire from anti-aircraft guns.
Flak or FlaK may also refer to:
Arts, entertainment and media
- Flak (video game), 1984
- Flak Magazine, an early American online magazine
- Flak, fictional commanding officer in video game Advance Wars 2: Black Hole Rising
- F.L.A.K., a G.I. Joe toy battlefield accessory
- FL4K, a robot in video game Borderlands 3
People
- Edward Flak (1948–2020), Polish politician and lawyer
- Simon Flak (1923–1999), Franco-Polish footballer and manager
Other uses
- Preflagellin peptidase, designated FlaK, an enzyme
- Flak, negative responses to a media statement or broadcast, in the propaganda model of Herman and Chomsky
See also
- FLAC (disambiguation)
- Flack (disambiguation)
- Flak jacket, a form of body armor
- Flak tower, anti-aircraft gun blockhouse towers constructed by Nazi Germany