[1] Alnö Idrottsförening was formed on 24 April 1924 at the Hammarstedts Cafe in Vii.

The sports club has been active in skiing, wrestling, boxing, soccer and cross country running.

Since their foundation Alnö IF has participated mainly in the middle divisions of the Swedish football league system including 24 seasons in the third tier.

The club currently plays in Division 4 Medelpad which is the sixth tier of Swedish football.

In 1984 they qualified for the Svenska Cupen final but lost 2–5 against Jitex BK.