| Acronym | Definition |
|---|
| ACAB | Always Carry A Bible (often a tattoo) |
| ACAB | All Cats Are Beautiful |
| ACAB | All Cops Are Beautifull |
| ACAB | Acht Cola Acht Bier (German: All Cops Are Bastards) |
| ACAB | All Communists Are Bastards (group) |
| ACAB | All Coppers Are Bastards (common British tattoo) |
| ACAB | Associació contra l'Anorèxia i la Bulímia (Catalan: Association against Anorexia and Bulimia) |
| ACAB | Advisory Committee on Agricultural Biotechnology (USDA) |
| ACAB | Applied Composites AB (Sweden) |
| ACAB | Atraumatic Coronary Artery Bypass (cardiology) |
| ACAB | All Croatians Are Beautiful |
| ACAB | Association of Cargo Agents of Bangladesh |
| ACAB | Association of Community Access Broadcasters (New Zealand) |
| ACAB | Arts & Crafts Association Bornholm (Bornholm, Denmark) |
| ACAB | Association du Cheval Arabe Bedouin (French: Bedouin Arabian Horse Association; est. 2006) |
| ACAB | Air Cavalry Attack Brigade |
| ACAB | All Colors Are Beautiful |
| ACAB | Alaska Contemporary Art Bank (est. 1975; Alaska State Council on the Arts; Alaska Department of Education and Early Development) |
| ACAB | Associació Cultural Armènia de Barcelona (Spanish: Armenian Cultural Association of Barcelona; Barcelona, Spain) |