| Acronym | Definition |
|---|
| NRA | National Rifle Association |
| NRA | National Restaurant Association |
| NRA | National Recreation Area (US National Park Service) |
| NRA | National Roads Authority (Ireland) |
| NRA | National Register of Archives |
| NRA | Nuclear Regulation Authority (Japan) |
| NRA | National Recovery Administration |
| NRA | Naczelnej Rady Adwokackiej (Polish: Superior Council Bar Association) |
| NRA | NASA Research Announcement |
| NRA | National Record of Achievement (education; UK) |
| NRA | Normal Retirement Age |
| NRA | National Research Agenda |
| NRA | Nitrate Reductase Activity (botany) |
| NRA | National Recovery Act |
| NRA | Nero Audio |
| NRA | Network Risk Management Association |
| NRA | National Resistance Army (Uganda) |
| NRA | Non-Resident Alien |
| NRA | Natural Resource Area |
| NRA | National Regulatory Agency |
| NRA | National Regulatory Authority |
| NRA | National Registration Authority (Australia) |
| NRA | National Rehabilitation Association |
| NRA | National Rivers Authority (UK) |
| NRA | Nœuds de Raccordement d’Abonnés (France Telecom) |
| NRA | Nuclear Reaction Analysis |
| NRA | Net Rentable Area |
| NRA | Nouvelle Réglementation Acoustique (French: New Acoustic Regulations; sound insulation) |
| NRA | National Renderers Association |
| NRA | Neatkariga Rita Avize (Latvian: Independent Morning Newspaper) |
| NRA | National Reform Association |
| NRA | Naval Reserve Association |
| NRA | National Revolutionary Army (Republic of China) |
| NRA | National Rodeo Association (Australia) |
| NRA | Northern Rivers Area (Australia) |
| NRA | National Recreation Association |
| NRA | Neighborhood Retail Alliance |
| NRA | Natural Resources and Agriculture (various organizations) |
| NRA | Naval Radio Activity (US Navy) |
| NRA | Network Readiness Assessment |
| NRA | National Reserve Account |
| NRA | Nippon Ramen Association (Japan) |
| NRA | Network Resource Architecture |
| NRA | Nippon Romantist Association (Nippon, Japan) |
| NRA | Nachos, Rifles & Alcohol (Simpsons) |
| NRA | Niagara Redevelopment Act |
| NRA | National Railway Authority |
| NRA | National Ringworm Association (The Simpsons) |
| NRA | Nuclear Resonant Absorption |
| NRA | Occupation Postal Tax (Scott Catalogue prefix; philately) |
| NRA | National Rocketry Association |
| NRA | Netherlands Racquetball Association |
| NRA | NATO Refugees Agency |
| NRA | National Rail Association |
| NRA | Non-Refundable Amount |
| NRA | Nonregistered Accountable |
| NRA | Naked Run Association (Ireland) |
| NRA | No Repair Action |
| NRA | Navy Reporting Activity |
| NRA | Neural Representational Assembly |
| NRA | Non Resident American |
| NRA | Net Rate Analysis |
| NRA | National Ronin Award |