Hamar Idrettslag is a Norwegian sports club from Hamar. It has sections for bandy, curling, association football, athletics, sport shooting, rowing, speed skating, diving, swimming, tennis, figure skating and gymnastics.
It was founded in 1921 by the parties Hamar SK (founded 1901, speed skating), Hamar TF (founded 1896, gymnastics), Hamar SK (founded 1891, Nordic skiing), Hamar Game Club (founded 1903, tennis and cycling), Hamar FL (founded 1912, association football) and IF Tor (founded 1919, athletics and amateur boxing). New groups were added: bandy in 1933, orienteering in 1934, swimming in 1935, handball in 1945, sport shooting in 1948, basketball in 1975, diving in 1985, later curling and rowing. Several groups went defunct, some by forming their own club: the boxing group in Hamar IL ceased in 1951, orienteering in 1963, cycling in 1971, Nordic skiing in 1972, later handball and basketball.