| Acronym | Definition |
|---|
| RINA➣Registro Italiano Navale |
| RINA➣Royal Institution of Naval Architects |
| RINA➣Royal Institute of Navigation (UK; est. 1947) |
| RINA➣Research Institute for New Americans (New York, NY) |
| RINA➣Resident Inspector of Naval Aircraft (US Navy) |
| RINA➣Rooney Ida Nolt Ahern (accountancy corporation) |