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