| Acronym | Definition |
|---|
| NOSA➣NASA Open Source Agreement |
| NOSA➣National Occupational Safety Association (South Africa) |
| NOSA➣Newport Ocean Sailing Association (Newport Beach, CA) |
| NOSA➣National Oil Shale Association (Glenwood Springs, CO) |
| NOSA➣National Office for Summative Assessment (for General Practice Training, University of Winchester, UK) |
| NOSA➣NOAA Observing System Architecture |
| NOSA➣New Orleans Soccer Academy |
| NOSA➣Nordic Society for Aerosol Research |
| NOSA➣National Optometric Student Association |
| NOSA➣North Okanagan Sailing Association (British Columbia, Canada) |
| NOSA➣Northern Outlaw Sprint Association |
| NOSA➣Notice of Solicitation of Applications |
| NOSA➣Non Organ Specific Autoantibodies |
| NOSA➣Nokian Seudun Ampujat |
| NOSA➣National Office of Samoan Affairs (Carson, California) |
| NOSA➣North Saanich Dog Obedience Training Club (Canada) |
| NOSA➣Neuro-Ophthalmology Society of Australia |
| NOSA➣Naval Officers' Spouses' Association |
| NOSA➣Non-Smokers Association (India) |
| NOSA➣New Orleans Straight Ahead (band) |
| NOSA➣National Ocean Sciences Accelerator |
| NOSA➣New Orleans Sports Arena |
| NOSA➣Notice of Special Assessment |
| NOSA➣NATO OSI Security Architecture |
| NOSA➣Namasagali Old Students Association (Uganda) |
| NOSA➣Notice of Service Availability |
| NOSA➣Nigerian Optometric Students Association (University of Benin; Nigeria) |
| NOSA➣Netlabs OpenSource Archive |
| NOSA➣NATO Open Systems Architecture |
| NOSA➣NATO Open Security Architecture |
| NOSA➣Nalanda Old Scout Association |
| NOSA➣National Omnibus Services Authority (Ghana) |
| NOSA➣notice of service acceptance |
| NOSA➣Network Operations Service Acceptance |
| NOSA➣Novaliches San Agustin |
| NOSA➣Notice of Service Activation |
| NOSA➣Neons Of San Antonio (Texas Dodge Neon owners group) |