| Acronym | Definition |
|---|
| AVSI➣Association of Volunteers in International Service (est. 1972) |
| AVSI➣Aerospace Vehicle Systems Institute (industry/government/university consortium) |
| AVSI➣Asociación de Voluntarios Para El Servicio Internacional (Spanish: Association of Volunteers for International Service) |
| AVSI➣Associazione Volontari per Il Servizio Internationale |
| AVSI➣Association des Volontaires pour le Service International (French) |
| AVSI➣Air Vehicle Standard Interface |