Södertälje IF is a sports club in Södertälje, Sweden. It was founded in 1907. The now-defunct ice hockey section played in the single-elimination Swedish Championship during portions of the 1930s, 1940s, and 1950s. They also played in the top-level Svenska Serien from 1935-1940. Their last appearance in a top-level league came during the 1945-46 season, spent in the Swedish Division I