| Acronym | Definition |
|---|
| RNR➣Rock 'N Roll |
| RNR➣Royal Naval Reserve |
| RNR➣Ribonucleotide Reductase |
| RNR➣Receiver not Ready |
| RNR➣Réserves Naturelles Régionales (French: Local Nature Reserve) |
| RNR➣Receive Not Ready (ITU-T; ISDN) |
| RNR➣Round Norfolk Relay (race; UK) |
| RNR➣Roles and Responsibilities (employment) |
| RNR➣Rest and Relaxation |
| RNR➣Royal Newfoundland Regiment |
| RNR➣Réacteur à Neutrons Rapides (French: Fast Neutron Reactor; nuclear power) |
| RNR➣Refuse and Resist! (est. 1987) |
| RNR➣Read No Reply |
| RNR➣Remove and Replace |
| RNR➣Rest and Recreation |
| RNR➣Risk-Need-Responsivity (criminal psychology) |
| RNR➣Radio News Release (news story) |
| RNR➣Registry of Nursing Research |
| RNR➣Rate Not Reported |
| RNR➣Rapid Nasogastric Rehydration |
| RNR➣Ralph 'n' Riches (Bridgeport, CT) |
| RNR➣Research News Reporter |
| RNR➣Reinhold-Nägele-Realschule (German secondary school) |
| RNR➣Rock and Ride |
| RNR➣Reward and Recognition |
| RNR➣Random Noise Radar |
| RNR➣Ring No Reply |
| RNR➣Roman Revolutionaries (band) |
| RNR➣Registered Nurses, Retired, Inc. |
| RNR➣Rassemblement National Républicain (French: Republican National Rally) |
| RNR➣Rhein-Neckar Region (Germany) |
| RNR➣Response Not Required |
| RNR➣Right-Now-Retailing (HP technology for retailers) |
| RNR➣Rupert and Riley (gaming) |
| RNR➣Revue Nucléaire de Russie (French: Russian Nuclear Journal) |