| Abbreviation | Definition |
|---|---|
| GCA | Georgia Council for the Arts |
| GCAC | Greater Columbus Arts Council |
| GCBA | General Council of Burmese Associations |
| GCC | General Chiropractic Council |
| GCCA | Georgia Council of Court Administrators |
| GCCA | Greene County Council on the Arts |
| GCCC | Gold Coast City Council |
| GCCF | Governing Council of the Cat Fancy |
| GCD | Governor's Council on Disability |
| GCD | Grand Council Deputy |
| GCDD | Georgia Council on Developmental Disabilities |
| GCM | General Council Memorandum |
| GCMT | General Council for Massage Therapy |
| GCO | Genealogical Council of Oregon |
| GCOM | General Council On Ministries |
| GCR | Graduate Council Representative |
| GCRD | Global Council of Regional Directors |
| GCRN | General Council and Register of Naturopaths |
| GCRN | Georgia Council on Renal Nutrition |
| GCSC | Gulf Coast Safety Council |