A&B may refer to:

  • Above & Beyond (band)
  • Abrams & Bettes: Beyond the Forecast, a program on The Weather Channel
  • Antigua and Barbuda, a small island nation in the Caribbean
  • 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