MCOA
| Acronym | Definition |
|---|---|
| MCOA | Multiple Congenital Ocular Anomalies (horses) |
| MCOA | Mastiff Club Of America |
| MCOA | Municipal Collections of America (Lansing, IL) |
| MCOA | Mid Coast Officials Association (Melbourne, FL) |
| MCOA | Mississippi Casino Operators Association (Biloxi, Mississippi) |
| MCOA | Multicast Care-Of Address |
| MCOA | Medical Care Operations Administration (Maryland) |
| MCOA | Minnesota Chapter of ALOA (Associated Locksmiths of America; St. Paul, MN) |