| Acronym | Definition |
|---|
| NGA➣nm |
| NGA➣National Gardening Association |
| NGA➣National Governors Association |
| NGA➣National Gallery of Art |
| NGA➣National Glass Association |
| NGA➣National Gallery of Australia |
| NGA➣National Geospatial-Intelligence Agency (US DoD) |
| NGA➣Natural Gas Act |
| NGA➣Next Generation Access |
| NGA➣Notice of Grant Award (legal document) |
| NGA➣National Greyhound Association |
| NGA➣National Grocers Association |
| NGA➣Northeast Gas Association |
| NGA➣National Guardianship Association |
| NGA➣National Guard Association |
| NGA➣Natural Gas Association |
| NGA➣National Guard Armory |
| NGA➣Nigeria Airways (ICAO code) |
| NGA➣National Graphical Association |
| NGA➣National Government Agency (Philippines) |
| NGA➣New Greenham Arts (UK) |
| NGA➣Non-Governmental Agency |
| NGA➣National Grains Authority (Philippines) |
| NGA➣No Girls Allowed |
| NGA➣National Groundwater Association |
| NGA➣Non-Gravitational Acceleration |
| NGA➣Network Graphic Annunciator (Gamewell Fire Control Instruments) |
| NGA➣Nagoya City Greenery Association (Nagoya City, Japan) |
| NGA➣Nakagawa General Association (Japan) |
| NGA➣New Guard America (Civilian Rifle Exhibition Drill Team) |
| NGA➣National Groundwater Archive (South Africa) |
| NGA➣New Ground Atomix |
| NGA➣Next Generation Anthrax Vaccine |
| NGA➣NATO Guidelines Area |
| NGA➣Nerd Girl Administrator |
| NGA➣National Gay Association of the Philippines |
| NGA➣National Guaranteeing Association |