| Acronym | Definition |
|---|
| OVRA➣Onslow Village Residents' Association (UK) |
| OVRA➣Organizzazione per la Vigilanza e la Repressione dell'Antifascismo (Italy) |
| OVRA➣Oregon Veterinary Referral Associates (Springfield, OR) |
| OVRA➣Opera Vigilanza Repressione Antifascismo (Italian: Organization for Vigilance and Repression of Anti-Fascism; 1927-1945; Italy) |