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. The Norwegian championships in track and field were held already in 1901. 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.