| Term | Full Form | Category |
|---|---|---|
| HAVA | Harbor Association of Volunteers for Animals | Others |
| HAVA | Help America Vote Act | Others |
| HAVA | Help America Vote Act of 2002 | Others |
| HAVA | Honored American Veterans Afield | Others |
| HAVA | Houston Association of Volunteer Administrators | Others |
| HAVA | Hypersonic Air Breathing Vehicle | Others |