ABK may refer to:
- Another name for rapper Anybody Killa
- Abkhaz language (ISO 639-3 code)
- Activision Blizzard (Activision Blizzard King), American games studio
- ABK Workers Alliance, organized workers at Activision Blizzard King
- Ambac Financial Group (former stock symbol)
- Ahrends, Burton and Koralek architects
- Åtvidabergs BK (ÅBK), a Swedish bandy club
- Aktienbrauerei Kaufbeuren or ABK, 700-year-old brewery in Swabia
- Alasdair Beckett-King, comedian
Aviation
- IATA airport code for Kabri Dar Airport in Somali Region, Ethiopia