The American Football League (now known as the American Football Conference or AFC) is a conference in the National Football League which currently holds 16 teams.
American football is played with two teams of 11.
Toffs sells football shirts for most non-American countries and cities with football teams. Their merchandise includes English teams, Scottish teams, and South American teams.
There are hundreds of thousands of football teams. Nobody knows all of them.
There are 32 teams in the NFL
Eagles and the Steelers
I'm not 100% sure what you're asking or if you mean American football or futbol but there are about 120 women's tackled football teams (American football) as of 2012 and the numbers are growing.