| Acronym | Definition |
|---|
| ACIR | Advisory Commission on Intergovernmental Relations (Washington, DC) |
| ACIR | Agricultural Coalition for Immigration Reform |
| ACIR | Advisory Committee on Investor Responsibility (various universities) |
| ACIR | Advanced Computational Infrastructure and Research |
| ACIR | Adjacent Channel Interference Ratio |
| ACIR | Advanced Certified Internet Recruiter (certification) |
| ACIR | Automated Check Issue Reporting |
| ACIR | Availability Centered Inventory Rule |
