A.C.A.B. is an acronym for "All Cops Are Bastards".
ACAB may also refer to: Association of Community Access Broadcasters, a group of New Zealand radio stations ACAB – All Cops Are Bastards, a 2012 Italian film Annalena Charlotte Alma Baerbock
People with the surname Balam Acab (born 1991), American electronic musician and producer
See also AKAP, A-kinase-anchoring protein