| Abbreviation | Definition |
|---|---|
| FCFC | Free Church Federal Council |
| FCFE | Fellowship of Christian Family Educators |
| FCFF | Family and Children's Faith Formation |
| FCFI | Faith Christian Fellowship International |
| FCFI | Fellowship of Christian Farmers International |
| FCFI | Fellowship of Christian Farmers, International |
| FCFI | Fellowship of Christian Firefighters International |
| FCFIC | Faith Christian Fellowship International Church |
| FCFICI | Faith Christian Fellowship International Church, Inc. |
| FCFJ | Fight Club For Jesus |
| FCFK | Faith Christian Fellowship of Kirkland |
| FCFL | Franklin County Fellowship League |
| FCFS | Fellowship of Christian Faculty and Staff |
| FCFT | Faith Christian Fellowship of Tucson |
| FCG | Freie ChristenGemeinde |
| FCH | Fellowship of Christian Homeschoolers |
| FCHC | Family Christian Health Center |
| FCHC | Fredericksburg Christian Health Center |
| FCHS | Finchley Catholic High School |
| FCHS | Fresno Christian High School |