IK Frej is a Swedish sports club located in Täby kyrkby.

Approximately 50% of the youngsters aged 7–17 years in Täby Kyrkby are members of the club.

[2] The club is named after the Norse god Freyr, Frej in Swedish, and has a picture of a viking with a horned helmet in their crest.

Since 1968 IK Frej has participated mainly in the middle and lower divisions of the Swedish football league system.

Affiliated club Hammarby IF in Allsvenskan, that had provided resources in forms of funds and loan players for several years, decided to form Hammarby Talangfotbollsförening that took the place of IK Frej in Division 1.