Eva Christina Wikner (born 6 July 1955) is a Swedish former butterfly swimmer. She competed in three events at the 1972 Summer Olympics. Wikner represented Stockholmspolisens IF. References. External links. Eva Wikner at World Aquatics. Eva Wikner at Olympedia. Eva Wikner at the Swedish Olympic Committee (in Swedish) https://en.wikipedia.org/wiki/Eva_Wikner