GCGA
| Acronym | Definition |
|---|---|
| GCGA | Gold Coast Greyhound Adoptions, Inc. (Florida) |
| GCGA | Greater Cincinnati Golf Association (Cincinnati, OH) |
| GCGA | Greater Cleveland Growth Association |
| GCGA | Gulf Citrus Growers Association (LaBelle, FL) |
| GCGA | Gamma Carboxy Glutamic Acid |
| GCGA | Guernsey Commonwealth Games Association (est. 1966) |