| Acronym | Definition |
|---|
| JMAC➣Japan Management Association Consultants |
| JMAC➣Joint Mortuary Affairs Center (US DoD) |
| JMAC➣Joint Maritime Assault Connector |
| JMAC➣Joint Management Advisory Committee (management team) |
| JMAC➣Joint Mission Analysis Centre (UN) |
| JMAC➣Joint Medical Advisory Committee (UK) |
| JMAC➣John Muafangejo Art Centre (visual arts; est. 1994; Namibia) |
| JMAC➣Jersey Model Aero Club (UK; est. 1960) |
| JMAC➣Joint Munitions Allocation Committee |