Kristoffer Reitan (born 8 March 1998) is a Norwegian professional golfer and European Tour player.

[2] In 2014, he won the Toyota Junior Golf World Cup together with Viktor Hovland.

[2] He finished runner-up at the opening event of the 2017 Nordic Golf League, behind Florian Fritsch.

[3] Still a 20-year-old amateur, Reitan secured a spot at the 2018 U.S. Open through the Walton Heath Golf Club sectional qualifier, to become the first Norwegian to play in the U.S.

[1] In his rookie season on the European Tour, his best finish was a tie for fifth at the ISPS Handa World Super 6 Perth in Australia, where he shared the lead after round one.