| Acronym | Definition |
|---|
| MNR | Master of Natural Resources (various schools) |
| MNR | Ministry of Natural Resources |
| MNR | Manor |
| MNR | Multimedia News Release |
| MNR | Metro North Railroad (New York, NY) |
| MNR | Minister of National Revenue (Canada) |
| MNR | Mouvement National Républicain (French: National Republican Movement) |
| MNR | Movimiento Nacionalista Revolucionario (National Revolutionary Movement, Bolivia) |
| MNR | Median Noise Reduction |
| MNR | Menu Resources |
| MNR | Mpeg Noise Reduction |
| MNR | Monday Night Raw (World Wrestling Entertainment, Inc.) |
| MNR | Movimiento Nueva República (Spanish: New Republic Movement; Guatemala) |
| MNR | Mid Norfolk Railway (Norfolk, UK) |
| MNR | Mozambique National Resistance |
| MNR | Musées Nationaux Récupération (French: National Museums Recovery) |
| MNR | Mod Nation Racers (video game) |
| MNR | Median Not Reported (economic statistics) |
| MNR | Monitored Natural Recovery |
| MNR | Mackenzie Northern Railway |
| MNR | Medically Not Ready (US DoD) |
| MNR | Manitoba Natural Resources |
| MNR | Might Not Respond (Internet slang) |
| MNR | Mountain Natural Resources |
| MNR | Mobile Node Registration |
| MNR | Mixed Number Representation |