Idrettslaget Viking was a Norwegian multi-sports club from Stavanger, Rogaland.
It was founded on 10 August 1899, and the club members volunteered to establish a sports field in Vikingmarkå, later the site of Stavanger stadion.
In addition to track, the other main sport was association football.
For shorter of longer periods the club also offered rugby, cricket, baseball, gymnastics, boxing, amateur wrestling, swimming, rowing, skiing, speed skating, equestrianism and harness racing.
[1] The club saw its athletics heyday before 1930, with Jonas Solheim, August Pettersen and Bjarne Stangeland as prominent athletes; in 1931 Christian Anker-Larsen became 1500 metres champion.