AGB
- Advocate-General of Bengal
- Alexander Graham Bell
- Amerika-Gedenkbibliothek
- Amsterdam Gençler Birliği
- Ashley Gibson Barnett Museum of Art
- Association of Governing Boards of Universities and Colleges
- Asymptotic giant branch
- Attorney General of Bangladesh
- Attorney General of Bermuda
- Attorney General of Bhutan
- Attorney General of Brunei
- Attorney-General of Barbados
- Attorney-General of Belize
- Augsburg airport
- Authentic Brands Group
- Game Boy Advance
- Gbo language
- List of auxiliaries of the United States Navy