| Abbreviation | Definition |
|---|---|
| GCBC | Greater Calvary Bible Church |
| GCCI | Great Commission Church International |
| GCFF | Generous Churches Film Festival |
| GCG | Global Church of God |
| GCHA | Gravesend Churches Housing Association |
| GCMC | Gospel Center Missionary Church |
| GCS | Grace Church School |
| GCSN | Greater Christchurch School Networks |
| GCSN | Greater Christchurch Schools Network |
| GDBC | Glenn Dale Baptist Church |
| GEBC | Glen Eden Baptist Church |
| GEBC | Glen Ellyn Bible Church |
| GEBC | Graham Emmanuel Baptist Church |
| GEBC | Great Ellingham Baptist Church |
| GECC | Glen Este Church Of Christ |
| GEPC | Grace Evangelical Presbyterian Church |
| GFC | Grace Family Church |
| GFC | Grace Fellowship Church |
| GFC | Grace Fellowship Churches |
| GFCB | Grace Fellowship Church Branford |