| Acronym | Definition |
|---|
| AGB | Asymptotic Giant Branch (HR diagram for stars) |
| AGB | Allgemeine Geschäftsbedingungen (German: General terms and conditions / Standard business conditions) |
| AGB | Game Boy Advance |
| AGB | Aktionsgruppe Babynahrung |
| AGB | Advanced Gameboy |
| AGB | Alt.guitar.bass (newsgroup) |
| AGB | Association of Governing Boards of Universities and Colleges |
| AGB | Adjustable Gastric Band (bariatric surgery) |
| AGB | Ice Breaker (USCG) |
| AGB | Augsburg, Germany - Muehlhausen (Airport Code) |
| AGB | A Gaming Brotherhood (forum) |
| AGB | Alliance for Global Business |
| AGB | Alternative Governance Board (various locations) |
| AGB | Accessory Gearbox |
| AGB | Audits of Great Britain |
| AGB | Alumni Giving Back (Spanish university) |
| AGB | Agricultural Business Management |
| AGB | After Grog Bog |
| AGB | Automatic Gear Box |
| AGB | Autonomous Guided Bomb |
| AGB | Air Guard Base (US military) |
| AGB | American Guitar & Band |