| ATRC | Academic Technology Resource Center 
| Others |
| ATRC | Active Transportation Resource Center
| Others |
| ATRC | Adaptive Technology Resource Centre
| Others |
| ATRC | Advanced Technology Research Center
| Others |
| ATRC | Advanced Test Reactor Critical
| Others |
| ATRC | Advanced Tissue Resource Center
| Others |
| ATRC | Advanced Translation Research Center
| Others |
| ATRC | AEGIS Training and Readiness Center
| Others |
| ATRC | Aided Target Recognition and Classification
| Others |
| ATRC | Alabama Tombigbee Regional Commission
| Others |
| ATRC | American Therapeutic Riding Center
| Others |
| ATRC | Androscoggin Transportation Resource Center
| Others |
| ATRC | Assistive Technology Resource Centers
| Others |
| ATRC | Automotive Technology Research Centre
| Others |
| ATRC | Aviation Electronics Technician (radar) Chief Petty Officer
| Others |