| Acronym | Definition |
|---|
| GRAC➣Groundwater Resources Association of California (Sacramento, CA; also seen as GRA) |
| GRAC➣Great Rivers Athletic Conference (est. 1982; Illinois) |
| GRAC➣Groupe Renaissance et Age Classique (French: Renaissance and Classical Age Group) |
| GRAC➣Grand Rapids Audubon Club (Grand Rapids, MI) |
| GRAC➣Government Relations Advisory Council (various locations) |
| GRAC➣Glutathione Reductase Activation Coefficient |
| GRAC➣Global Readiness Assistance Conservation |