List of NFL head coaches

The NFL is one of the four major professional sports leagues in North America, and the highest professional level of American football in the world.

In the course of its existence, it has merged with the All-America Football Conference (AAFC) and the American Football League (AFL) to create the current NFL.

The history and records of the AFL were incorporated into the NFL.

George Halas has the longest tenure of any NFL head coach, with a career spanning 40 years, however, these seasons were not consecutive as they were spread out over 4 separate tenures.

Former Green Bay Packers coach Curly Lambeau owns the record for most consecutive seasons coaching one team with 28.