| Acronym | Definition |
|---|
| NCOA➣National Change Of Address (USPS) |
| NCOA➣National Council On the Aging |
| NCOA➣Non-Commissioned Officer Academy |
| NCOA➣National Change of Address |
| NCOA➣Nuclear Receptor Coactivator |
| NCOA➣National Chamber Orchestra of Armenia (Yerevan, Armenia) |
| NCOA➣National Corvette Owners Association |
| NCOA➣New Care-Of Address |
| NCOA➣National Crime Officers Association (UK) |
| NCOA➣Non-Commissioned Officer's Association |
| NCOA➣Northern California Officials Association |
| NCOA➣National Chevelle Owners Association |
| NCOA➣Northern California Osage Association |
| NCOA➣Naval C4I Operational Architecture |
| NCOA➣Non-Compliant Operationally Acceptable |