| Acronym | Definition |
|---|
| EFRS➣European Federation of Radiographer Societies (est. 2006) |
| EFRS➣Edmonton Fire Rescue Services (Canada) |
| EFRS➣El Dorado Fire and Rescue Service (Santa Fe, NM) |
| EFRS➣Examination Fee Remission Scheme (Hong Kong) |
| EFRS➣Expenditure-Based Fund Release System (India) |
| EFRS➣Eigenfaces Face Recognition System (software) |
| EFRS➣Electronic Field Reporting System (software) |
| EFRS➣Emergency First Responder Services (UK) |
| EFRS➣Electronic Fleet Registration System |