NFL (disambiguation) explained

NFL is the National Football League, the highest-level professional American football league in the United States.

NFL may also refer to:

Football leagues

National Football League (India), the former top league for Indian association football
National Football League (Ireland), a Gaelic football league organized by the GAA in Ireland
National Football League (South Africa), a South African football league organised for whites-only during the apartheid era
Singapore Football League formerly named Singapore National Football League, an amateur competition for clubs that are affiliated with the Football Association of Singapore

Newfoundland and Labrador, a province of Canada on the country's Atlantic coast in northeastern North America
Northfleet railway station, Kent, England (National Rail station code)
"North Florida", also known as First Coast

Neurofilament light polypeptide, a biomarker that reflects axonal damage
No free lunch, short-hand phrase for the principle that what appears to be a generous offer may have hidden costs
No Free Lunch as used in the no free lunch in search and optimization
Not Foot Launchable - the name of a Pterodactyl Ascender aircraft design
The no free lunch theorem, a mathematical folklore