| Acronym | Definition |
|---|
| JACO➣Japan Audit and Certification Organization |
| JACO➣Japanese Association of Certified Orthoptists |
| JACO➣Japanese Animation Club of Orlando |
| JACO➣Joint Analysis of Cluster Observations (astronomy) |
| JACO➣Japan Association of Charitable Organizations (est. 1972; Tokyo, Japan) |
| JACO➣Jung Association of Central Ohio (Columbus, OH) |
| JACO➣Joint Actions Control Office |