Kristoffer Brun (born 7 April 1988) is a Norwegian rower.

Brun competed at the 2012 Summer Olympics in London in the men's lightweight double sculls with teammate Are Strandli.

[1] They teamed again to win the bronze medal in that event at the 2016 Olympics.

[4][5] At European level, the team of Brun and Strandli have won one silver and three bronzes.

[6][7][8][9] Brun won a gold medal in lightweight single sculls (LM1x) at the 2020 European Rowing Championships.