OVAC
| Acronym | Definition |
|---|---|
| OVAC | Oklahoma Visual Arts Coalition |
| OVAC | Ohio Valley Athletic Conference |
| OVAC | Ojai Valley Athletic Club (Ojai, CA) |
| OVAC | Ossining Volunteer Ambulance Corps (est. 1958; Ossining, NY) |
| OVAC | Ohio Valley Archaeological Consultants, Ltd. (Columbus, OH) |
| OVAC | OVAC Visual Systems (formerly Okay Vision-Aide Corp.; Cathedral City, CA) |