| Regular season | |
|---|---|
| Duration | September 12 – December 27, 1964 |
| East Champions | Cleveland Browns |
| West Champions | Baltimore Colts |
| Championship Game | |
| Champions | Cleveland Browns |
The 1964 NFL season was the 45th regular season of the National Football League. Before the season started, NFL commissioner Pete Rozelle reinstated Green Bay Packers running back Paul Hornung and Detroit Lions defensive tackle Alex Karras, who had been suspended for the 1963 season due to gambling.
Beginning this season, the home team in each game was allowed the option of wearing their white jerseys. Since 1957, league rules had mandated that the visiting team wear white, and the home team wear colored jerseys. The NFL also increased the regular season roster limit from 37 to 40 active players, which would remain unchanged for a decade.
The season ended when the Cleveland Browns shut out the Baltimore Colts 27–0 in the NFL Championship Game.