NHGA
| Acronym | Definition |
|---|---|
| NHGA | New Hampshire Geographic Alliance (Keene, NH) |
| NHGA | New Horizons Gymnastics Academy (Internet fantasy gymnastics club) |
| NHGA | New Haven Golf Association (California) |
| NHGA | National Honor Guard Academy (Seminole, FL) |
| NHGA | New Homes Garden Awards |
| NHGA | New Hampshire Gaming Association |