| Acronym | Definition |
|---|
| GNAA➣Great North Air Ambulance |
| GNAA➣Greater Nashville Apartment Association |
| GNAA➣Gesellschaft für Naturwissenschaftliche Archäologie - Archäometrie |
| GNAA➣Guilford Native American Association |
| GNAA➣Global Network of Arab Activists |
| GNAA➣Gridless Narrow Angle Astrometry |
| GNAA➣Greater Nashville Auburn Association |
| GNAA➣Ghana Netherlands Alumni Association |
| GNAA➣Grand National Archery Association |
| GNAA➣Golden North Archery Association |
| GNAA➣Gay N*gga Association of America (offensive; Internet troll group) |