| Abbreviation | Definition |
|---|---|
| OVBD | OVerBoarD |
| OVC | Ohio Volunteer Cavalry |
| OVCS | Operational Voice Communication System |
| OVE | On-Vehicle Equipment |
| OVER | Oversize Cargo |
| OVH | Ohio Veterans Home |
| OVH | Oregon Veterans' Home |
| OVI | Ohio Volunteer Infantry |
| OVM | Operation Vigilant Mariner |
| OVMP | Office for Veterans and Military Personnel |
| OVN | Overnight |
| OVR | Override |
| OVR | Oversize Cargo |
| OW | Old Warhorse |
| OW | Order Wire |
| OW | Orderwire |
| OWD | Open Water Dive |
| OWG | Operational Working Group |
| OWL | One Watt Linear |
| OWLD | Obligation Work Limiting Date |