| Acronym | Definition |
|---|
| GCoA➣Georgia Council on Aging |
| GCoA➣Gold Coast Ostomy Association (Australia) |
| GCoA➣Gross Consequence of Attack (US FEMA) |
| GCoA➣Greater Chesapeake Orthopaedic Associates, LLC (Baltimore, MD) |
| GCoA➣Global Care-Of Address |
| GCoA➣Gulf Coast Offshore Adventures (fishing charter; Houston, TX) |
| GCoA➣Greatest City of All (website; Columbus, Ohio) |