| Abbreviation | Definition |
|---|---|
| NF | Norwegian Football |
| NFA | National Football Academies |
| NFA | National Football Alliance |
| NFA | National Football Association |
| NFA | Nigeria Football Association |
| NFA | Northeastern Football Alliance |
| NFAF | NationStates Federation for Association Football |
| NFC | National Football Conference |
| NFC | National Football Confernce |
| NFC | Next Football Champion |
| NFCC | National Football Challenge Cup |
| NFF | National Flag Football |
| NFF | Nigeria Football Federation |
| NFF | Nigerian Football Federation |
| NFF | Northern Football Federation |
| NFFC | National Fantasy Football Championship |
| NFFC | National Fantasy Football Convention |
| NFFC | Nottingham Forest Football Club |
| NFL | National Football League |
| NFL | National Football Leauge |