| Acronym | Definition |
|---|
| OCAR➣Office of the Chief Army Reserve |
| OCAR➣Orange County Association of Realtors (California) |
| OCAR➣Obsessive Compulsive/Anal Retentive (psychology) |
| OCAR➣Office of Crash Avoidance Research (US DOT) |
| OCAR➣Ordinary Capital Adequacy Requirement (various locations) |
| OCAR➣Orange County Anarchist Radio (Internet radio station) |
| OCAR➣Office of the Comptroller of Army Reserve |