| Acronym | Definition |
|---|
| NIRM➣National Institute of Rock Mechanics (India) |
| NIRM➣North Italian Reptiles Meeting |
| NIRM➣Nomor Induk Registrasi Mahasiswa (Indonesian: Main Number Student Registration) |
| NIRM➣Nordisk Institutt for Rytmisk Musikk (Norwegian: Nordic Institute of Rhythmic Music) |
| NIRM➣Nursing Information Reference Model |