Sune Wretling (2 January 1939 – 26 April 2007) was a Swedish ice hockey player. He competed in the men's tournament at the 1960 Winter Olympics. References. External links. Sune Wretling at EliteProspects.com. Sune Wretling at Olympedia. Sune Wretling at the Swedish Olympic Committee (in Swedish) https://en.wikipedia.org/wiki/Sune_Wretling