| Acronym | Definition |
|---|
| MCAR➣Missing Completely At Random |
| MCAR➣Military Construction, Army Reserve |
| MCAR➣Material Corrective Action Report (quality) |
| MCAR➣Modified Car and Rally (automotive show) |
| MCAR➣Marine Corps Air Station |
| MCAR➣Machine Check Analysis and Recording |
| MCAR➣Multiple Channel Aural Reception |
| MCAR➣Multichannel Acoustic Relay |
| MCAR➣Malaysian Civil Aviation Regulation (Malaysia) |
| MCAR➣Mobile Cosmetic Auto Repairs |
| MCAR➣Model Civil Aviation Regulations |