ABG

ABG may refer to:

Medicine

 * Arterial blood gas, blood test
 * air-bone gap in audiometry

Organisations

 * Abakan-Avia, airline based in Abakan, Russia (ICAO code ABG)
 * ABG Shipyard, ship-building firm based out of Mumbai, India
 * Aditya Birla Group, business conglomerate based in Mumbai, India
 * African Barrick Gold, gold mining business operating in Tanzania
 * Alpha Beta Gamma, international business honor society
 * Authentic Brands Group, American brand development and licensing company
 * Autonomous Bougainville Government, government of Autonomous Region of Bougainville, Papua New Guinea
 * Avis Budget Group, car rental company

People

 * Avrom Ber Gotlober (1811–1899), Jewish writer, poet, playwright, historian, journalist and educator
 * Asian baby girl

Places

 * Altenburger Land, Thuringia, Germany (vehicle registration code: ABG)
 * Abingdon Airport, Queensland, Australia (IATA code ABG)
 * Atlanta Botanical Garden, Georgia, United States

Other

 * Abaga language, a language of Papua New Guinea
 * Acoustic bass guitar, a bass instrument with a hollow wooden body
 * African Burial Ground National Monument, New York, United States
 * Asian Beach Games