| Acronym | Definition |
|---|
| NR | Not Required |
| NR | Not Rated |
| NR | Naval Reserve |
| NR | Number |
| NR | Nummer (Swedish: Number) |
| NR | Near (hospitality industry) |
| NR | No Result |
| NR | National Register |
| NR | National Review (political magazine) |
| NR | NATO (North Atlantic Treaty Organization) Restricted |
| NR | Natural Resources |
| NR | Not Really |
| NR | Not Reported |
| NR | Norwich (postcode, United Kingdom) |
| NR | Natural Rubber |
| NR | Not Recommended |
| NR | No Reserve |
| NR | Nauru |
| NR | Noise Reduction |
| NR | No Response (polls) |
| NR | Network Rail (UK) |
| NR | Nuclear Receptor (protein class) |
| NR | Non-Resident |
| NR | Not Ready |
| NR | Norma Regulamentadora (Portuguese: Regulatory Standard; Brazil) |
| NR | Not Real (mathematics) |
| NR | Nouvelle République (French: New Republic; newspaper) |
| NR | Nursing Research |
| NR | No Reference |
| NR | Normal Range |
| NR | No Reply |
| NR | Next Round |
| NR | New Roads (Louisiana) |
| NR | No Reaction |
| NR | Nuclear Reactor |
| NR | Nichtraucher (German: non-smokers) |
| NR | Northern Region (Ghana) |
| NR | Not Responding |
| NR | National Rail (Australia) |
| NR | Non-Returnable |
| NR | Nationalrat (Austrian Parlamentary Institution) |
| NR | Non-Response |
| NR | Newton-Raphson (geometry) |
| NR | Net Revenue (finance) |
| NR | November Rain (Guns N' Roses song) |
| NR | Nothing Really |
| NR | No Recovery |
| NR | Northern Rockies |
| NR | Neutral Red (dye) |
| NR | Night Rider |
| NR | No Repeats |
| NR | Nose Right (aviation) |
| NR | Number of Rotations (main rotor speed) |
| NR | Nicotine Replacement (therapy) |
| NR | Not Reserved (auction) |
| NR | Not Remarkable |
| NR | Non-Recognition |
| NR | Neutron Radiography |
| NR | Not Racist |
| NR | No Regrets |
| NR | Nouveau Riche |
| NR | Norsk Regnesentral (Norwegian Computing Center) |
| NR | Notes Receivable |
| NR | Neighborhood Residential (districts; various locations) |
| NR | Non-Reportable |
| NR | Network Report |
| NR | Nice Roll |
| NR | Non-conformance Report |
| NR | Nonregistered |
| NR | North Atlantic Treaty Organization (NATO) restricted |
| NR | No Rush (Starcraft game) |
| NR | Recurrent Nova |
| NR | Nintendo Revolution (game system) |
| NR | Nekromantix (band) |
| NR | Naval Regulations (US Navy) |
| NR | Null Reference |
| NR | Northern Rebels (gaming clan) |
| NR | Negative Reinforcement |
| NR | Newly Reformulated (pharmacology) |
| NR | Naval Reactor |
| NR | New Relativity (physics) |
| NR | No Replication (Cache) |
| NR | Nippon Rietec (Japan) |
| NR | Non-Record Material |
| NR | Naturally Radioactive |
| NR | Nintendo Ring |
| NR | Nicktoons Racing (game) |
| NR | Narrow Resonance |
| NR | Negative Rebuttal (debate) |
| NR | No Refill (prescription) |
| NR | Submersible Research Vehicle (Nuclear Propulsion) |
| NR | Navigational Radar |
| NR | Net Riddle (Central Riddle Network) |
| NR | Nautic Radio (Island of Vis, Croatia) |
| NR | Noise Redemption (band) |
| NR | North American Rockwell Corporation |
| NR | Normothermic Recirculation |
| NR | Nørrer (Danish: Northern) |
| NR | No Resuscitation/Revival |
| NR | Nucleo de Reserva (Guatemala, police reserves) |
| NR | Main Rotor Speed-Rotor Rate of Rotation in percent |
| NR | Notice of Results/Rating |
| NR | Nomad Renegade (gaming clan) |