International rules football is a team sport consisting of a hybrid of football codes, which was developed to facilitate international representative matches between Australian rules football players and Gaelic football players.

Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal. Unqualified, the word football normally means the form of football that is the most popular where the word is used. Sports commonly called football include association football ; Australian rules football; Gaelic football; gridiron football ; International rules football; rugby league football; and rugby union football. These various forms of football share, to varying degrees, common origins and are known as "football codes".