Flak typically refers to the anti-aircraft fire coming at one from anti-aircraft guns, derived during World War II from the German Flugabwehrkanone, for "aircraft defence cannon" in turn derived from Flugabwehrgeschütz (flag).
Flak may also refer to:
Warfare
- Flak tower, a defensive structure
Arts, entertainment, and media
Fictional entities
- Flak (Transformers), a fictional character in Transformers
- Flak, a fictional commanding officer in the video game Advance Wars 2: Black Hole Rising
- F.L.A.K., a fictional weapon in the G.I. Joe universe
- FL4K, a fictional wandering robot in the video game Borderlands 3
Other uses in arts, entertainment, and media
- Flak, an 8-bit computer game published in 1984 by Funsoft
- Flak, a UK band whose music has featured in Malcolm in the Middle
- Flak Magazine, an American online magazine, founded in 1998
Other uses
- Flak, intense criticism, a metaphor derived from intense anti-aircraft gunfire
- "Flak", a class of the Propaganda model advanced by Edward S. Herman and Noam Chomsky
- Flak, "flat land" or "flat sandbank", a component of Germanic language area place names, e.g. Flakfortet
- Flak jacket, protective clothing worn by soldiers and others to protect themselves from debris and shrapnel
See also
- FLAC (Free Lossless Audio Codec), an audio data compression scheme
- Flak or Flack, an informal term for a media relations representative
- Flack (disambiguation)