| Acronym | Definition |
|---|
| AJR | American Journal of Roentgenology |
| AJR | American Journalism Review |
| AJR | Apports Journaliers Recommandés (French: Recommended Daily Intake) |
| AJR | Academy for Jewish Religion |
| AJR | Association of Jewish Refugees (UK organization) |
| AJR | American Journal of Rhinology (Oceanside Publications, Inc.) |
| AJR | Asociación Justicia y Reconciliación (Spanish: Justice and Reconciliation Association; Guatemala) |
| AJR | Abdominojugular Reflux (right ventricle dysfunction test) |
| AJR | Asociación de Jóvenes Rebeldes (Spanish: Association of Young Rebels) |
| AJR | Accelerated Junctional Rhythm |
| AJR | Alliance des Jeunes Révolutionnaires (French: Revolutionary Youth Alliance) |
| AJR | Australian Jurist Reports (legal research publication) |
| AJR | Animation Jeunesse Rurale (French youth association) |
| AJR | Andernos Jeux en Réseaux (French gaming network) |