| Acronym | Definition |
|---|
| GNA | Ghana News Agency |
| GNA | Galanthus Nivalis Agglutinin |
| GNA | Global Names Architecture |
| GNA | Google News Alert |
| GNA | Geriatric Nursing Assistant |
| GNA | Georgia Nurses Association |
| GNA | Globewide Network Academy |
| GNA | Gendarmeria Nacional Argentina (Spanish: Argentina National Gendarmerie; Argentine security force) |
| GNA | Good Neighbor Award |
| GNA | Grand National Alliance (Pakistan) |
| GNA | Grounds for Non-Acceptance |
| GNA | Global Needs Assessment (UN High Commissioner for Refugees) |
| GNA | Greater Nanticoke Area (school district, Pennsylvania) |
| GNA | Gladstein, Neandross & Associates (environmental consulting firm; Santa Monica, CA) |
| GNA | Guam Nikkei Association (est. 2007) |
| GNA | Grassroots Netroots Alliance (Organic Consumers Fund) |
| GNA | Gone No Address (undelivered/returned mail) |
| GNA | Gauss-Newton algorithm |
| GNA | Grasonia, Nashville, and Ashdown Railroad Company |
| GNA | Great North Alliance (Minnesota) |
| GNA | Goldwater-Nichols DoD(Department of Defense) Reorganization Act (US DoD) |
| GNA | Guru Nanak Academy |