| Acronym | Definition |
|---|
| NFL➣National Football League |
| NFL➣Newfoundland (Canada) |
| NFL➣No Fun League |
| NFL➣Not For Long |
| NFL➣National Forensic League |
| NFL➣Niagra Falls (Amtrak station code; Niagra Falls, NY) |
| NFL➣Nachrichten für Luftfahrer (German: Notices to Airmen; German Air Traffic Control) |
| NFL➣Negative Feedback Loop |
| NFL➣Narrow Flood Light (lightbulb) |
| NFL➣Never Forget Loyalty |
| NFL➣No Free Lunch |
| NFL➣National Fertilizer Limited (est. 1974; India) |
| NFL➣New Found Love |
| NFL➣No Friends Left |
| NFL➣Nerve Fiber Layer |
| NFL➣Npower Football League (UK) |
| NFL➣NAS Fallon (Naval Air Station; Nevada) |
| NFL➣National Foods Limited (various locations) |
| NFL➣Northumberland Ferries Limited (Canada) |
| NFL➣Non-Fermi Liquid |
| NFL➣National Food Laboratory (California) |
| NFL➣National Federation of Labor |
| NFL➣Non-Federal Levee (US Army) |
| NFL➣National Forensic Laboratory |
| NFL➣Nyungwe Forest Lodge (Rwanda) |
| NFL➣No-Fire Line |
| NFL➣No Freakin' Lime |
| NFL➣Not Freakin' Likely |
| NFL➣New Foreign Launch (military launch detection) |
| NFL➣Norwegian Defence Industry Group |
| NFL➣Nerd for Life |
| NFL➣Noise Floor Level |
| NFL➣Navigation Feature Layer |
| NFL➣Neue Fünf Länder (the states of former East Germany) |
| NFL➣Near, Far Line (marine engineering; US DoD) |