Olle Martinsson was a Swedish ski jumper who represented Koskullskulle AIF. Martinsson was selected to compete at the 1964 Innsbruck Games in the normal and large hills, the first time two ski jumping events had been contested at the Olympics, with him finishing in 32nd place in each event. Martinsson represented Sweden in three consecutive seasons of the Four Hills tournament in the early 1960s with his best result of 26th place in the 1964–65 season. He returned to the tournament for the 1968–69 season where he finished in 16th place.