| Acronym | Definition |
|---|
| FCN | Function |
| FCN | Faith Community Nurse |
| FCN | File Concatenation |
| FCN | Final Call News (publishing) |
| FCN | Football Club Nantes (French football club; Nantes, France) |
| FCN | Fox Cable Networks |
| FCN | Federation of Canadian Naturists |
| FCN | Frente Convergencia Nacional (Spanish: National Convergence Front; Guatemala) |
| FCN | Family and Corrections Network (est. 1983) |
| FCN | Free Core Nutation |
| FCN | First Coast News (Florida) |
| FCN | Federal Communicators Network |
| FCN | Football Club Nueillaubiers (French football club) |
| FCN | Fußball Club Nürnberg (Germany) |
| FCN | Florida Center for Nursing |
| FCN | Fairfax Community Newspapers (Australia) |
| FCN | Field Change Notice |
| FCN | Faith Community Network |
| FCN | Financial Control Number (medical insurance) |
| FCN | Fibre Channel Name |
| FCN | File Change Notification |
| FCN | Fully-Connected Network |
| FCN | Funabashi Cable Network (Japan) |
| FCN | Funny Class Notes |
| FCN | Force Change Now |
| FCN | Football Club Nordsjælland (Danish soccer team) |
| FCN | Fraction of Commercial Power Supplied by Nuclear |
| FCN | Florida Certified Negotiator |