| OVR | Occurrence Variance Report
| Others |
| OVR | Office of Vocational Rehabilitation
| Others |
| OVR | Ohio Valley Railroad
| Others |
| OVR | Ohio Valley Region
| Others |
| OVR | Ohio Valley Region of USA Volleyball
| Others |
| OVR | Olfactory Virtual Reality
| Others |
| OVR | On Venue Results
| Others |
| OVR | One Versus Rest
| Others |
| OVR | One Vs Rest
| Others |
| OVR | Online Vehicle Registration
| Others |
| OVR | Online Video Recorder
| Others |
| OVR | Online Viewing Rooms
| Others |
| OVR | Online Voter Registration
| Others |
| OVR | Opening Valve Resistance
| Others |
| OVR | Operations Variance Report
| Others |
| OVR | Otechestvo Vsya Rossia
| Others |
| OVR | Otechestvo Vsya Rossiya
| Others |
| OVR | Ottawa Valley RaiLink
| Others |
| OVR | Over Voltage Relay
| Others |
| OVR | Overly Violent Riders
| Others |
| OVR | Overtype
| Others |