Kristoffer Wikner Sundborg (born January 20, 1993) is a Swedish retired ice hockey winger. He made his Elitserien debut with Frölunda HC during the 2011âÂÂ12 season and played a total of 21 games during the 2011âÂÂ12 and 2012âÂÂ13 seasons. The majority of his professional career was spent with teams in the HockeyAllsvenskan and Hockeyettan. After struggling with recovery from a concussion for several years, Wikner retired in 2018.