| Acronym | Definition |
|---|
| GMAC➣Graduate Management Admission Council |
| GMAC➣General Motors Acceptance Corporation |
| GMAC➣Give Me A Call |
| GMAC➣Galois Message Authentication Code |
| GMAC➣Genetic Modification Advisory Committee (Singapore) |
| GMAC➣Genetic Manipulation Advisory Committee |
| GMAC➣Give Me A Chance |
| GMAC➣Greater Memphis Arts Council (Tennessee) |
| GMAC➣Gigabit Media Access Controller (networking optics device) |
| GMAC➣Gas Metal Arc Cutting |
| GMAC➣Gaussian Multiple-Access Channel |
| GMAC➣Gospel Music Association Canada |