| AIRR | Adaptive Immune Receptor Repertoire 
| Others |
| AIRR | Advocates for Immigrant and Refugee Rights
| Others |
| AIRR | Advocates for Immigrant Rights and Reconciliation
| Others |
| AIRR | Alternative Investment Risk Report
| Others |
| AIRR | Amazon International Rainforest Reserve
| Others |
| AIRR | American Indian Records Repository
| Others |
| AIRR | American Indian Recruitment and Retention
| Others |
| AIRR | American Indian Religious Rights
| Others |
| AIRR | Annualized Internal Rate of Return
| Others |
| AIRR | Artificial Intelligence Robotic Racing
| Others |
| AIRR | Association of Independent Readers and Rootworkers
| Others |
| AIRR | Australian Independent Rural Retailers
| Others |
| AIRR | Aviation Innovation Reform and Reauthorization
| Others |