| Acronym | Definition |
|---|
| NGAA➣National Geospatial-Intelligence Alumni Association (est. 2011) |
| NGAA➣National Growth Areas Alliance (Australia) |
| NGAA➣National Guard Association of Arkansas |
| NGAA➣National German-American Alliance (1901-1918) |
| NGAA➣Not Good At All |
| NGAA➣North Georgia AIDS Alliance (Gainesville, GA) |
| NGAA➣National Gaelic Arts Agency (UK) |