A&B may refer to:
Above & Beyond (band) Alexander & Baldwin, an American company Allison & Busby, a London publisher Alston & Bird, an international law firm based in Atlanta, Georgia Antigua and Barbuda, a country Arbogast & Bastian (A&B Meats), a defunct meat-packing company based in Allentown, Pennsylvania, US Assault and battery (disambiguation) Roman Catholic Diocese of Arundel and Brighton, England A&B, a bit signaling procedure used in SF (D4) framed T1 transmission facilities