A&B

A&B may refer to:

• Above & Beyond (band)
• Alexander & Baldwin, an American company
• 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, USA
• 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