GJA
| Acronym | Definition |
|---|---|
| GJA | Ghana Journalists Association |
| GJA | George Jackson Academy (New York, NY) |
| GJA | Garfield Jubilee Association |
| GJA | Georgia Jail Association |
| GJA | Georgia Jewelers Association |
| GJA | Ghana Judo Association |
| GJA | Grand Jurors Association |
| GJA | Ginty Jocius & Associates (advertising agency; Guelph, Ontario, Canada) |
| GJA | Good Job All |
| GJA | Global Jurist Advances |
| GJA | Gender Justice Awards |