Mark Croasdale (born January 1965) is an English athlete who was a British fell running champion and competed in cross-country skiing at the Winter Olympics. The early part of Croasdale’s sporting career was centred on skiing. He became a member of the Royal Marines’ ski team and displayed sufficient talent to be invited to train with the national ski team. He was a British champion and represented his country on many occasions in international cross-country skiing competitions. He competed in the 10k classical and 15k freestyle events at the 1992 Winter Olympics.