| Acronym | Definition |
|---|
| AJB | America’s Job Bank |
| AJB | African Journal of Biotechnology |
| AJB | American Journal of Botany |
| AJB | Alsjeblieft (Dutch: Please) |
| AJB | Amt für Jugend und Berufsberatung (German: office for youth and vocational guidance) |
| AJB | Anglo Japanese Brewing Co. (Nagano, Japan) |
| AJB | Associação Junguiana do Brasil (Portugese) |
| AJB | Asociación Judicial Bonaerense |
| AJB | Australian Journal of Botany |
| AJB | Arthur's Job Base (website) |
| AJB | Association des Journalistes du Burkina (French: Journalists Association of Burkina; Burkina Faso) |
| AJB | Alice James Books |
| AJB | Astronomischer Jahresbericht (German) |
| AJB | Assorted Jelly Beans (band) |
| AJB | American Journal of Bioethics |
| AJB | Arizona Judicial Branch |
| AJB | Arrondissementaal Justitieel Beraad (Dutch) |
| AJB | Ambler Junior Baseball (Pennsylvania) |
| AJB | Ageless Jazz Band (Ithaca, New York) |
| AJB | Abdurajak Janjalani Brigade |
| AJB | Aluminum Adjustable Brackets |
| AJB | Alliance Judo Ballancourt (French judo club) |
| AJB | Air Jordan Boots (Nike, Inc.) |