| Acronym | Definition |
|---|
| JCOA➣Joint Center for Operational Analysis (DoD) |
| JCOA➣Jefferson Council on Aging (Metairie, LA) |
| JCOA➣Jazz Composers' Orchestra Association |
| JCOA➣Japanese Clinical Orthopaedic Association |
| JCOA➣Jeep Club of America (Pasadena, MD) |
| JCOA➣Jaguar Club of Austin (Austin, TX) |