Grorud Idrettslag is a Norwegian sports club from Grorud borough, Oslo. It has sections for association football, skiing, gymnastics and tennis.
As a sports club based in Grorud, it had two predecessor clubs in Grorud IF, which existed from 1904 to 1905, and Grorud TIF, which existed from 1908 to 1914. Grorud IL was finally founded on 18 March 1918. At the time, Grorud was still located in Aker municipality. The district was incorporated into Oslo in 1948 and tied to the city centre with the Grorud Line of the Oslo Metro in 1966.
The club finished construction of its football field in 1926, and its ski jumping hill Rannkollen in 1928. In 1932 the football field was covered with gravel, which allowed the practice of skating sports during the winter. In 1932, Grorud IL was one of the f...