| Abbreviation | Definition |
|---|---|
| RNTR | Rivlandian National Television Radio |
| RNU | Reliability Network Upgrade |
| RNU | Réseau National Universitaire |
| RNU | Robotech Novels Universe |
| RNU | Russian National Unity |
| RNV | Radio Nacional de Venezuela |
| RNV | Registro Nacional de Valores |
| RNV | Relative Neutralization Value |
| RNV | Réserve Naturelle Volontaire |
| RNV | Rhein Neckar Verkehr |
| RNV | Rhythm and Vines |
| RNW | Radio Netherlands Worldwide |
| RNW | Robison Nieri White |
| RNWT | Revised New World Translation |
| RNY | ReCharge New York |
| RNY | Reckson New York |
| RNY | Rochester New York |
| RNZ | Reflexology New Zealand |
| RNZ | Rhein Neckar Zeitung |
| RNZA | Regiment of New Zealand Artillery |