From the World Football League, created in the 1970s to promote American Football Worldwide (though getting no further than Hawaii) to Leagues in Mexico, Central America, South America, Australia, New Zealand, Asia and Africa, American Football is played all over the World.
Below is a list of links to World Leagues and International Competitions:
American teams playing abroad:
World Leagues (2 or more Continents):
Legends Football Leagues: