GMAC
| 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 |