John Kristian Dahl (born 27 March 1981) is a Norwegian cross-country skier who competed between 2001 and 2019. His best World Cup finish was second, three times between 2003 and 2008, all in the sprint event.
On 2 March 2014, he won the annual long-distance cross-country ski race Vasaloppet in Mora, Sweden as the fourth ever Norwegian skier to win. On 6 March 2016, he won it the second time with the time of 4:08:00 and on 5 March 2017, for the third time with the time 3:57:18.
On 10 April 2016, he also won the men's edition of Nordenskiöldsloppet.
On 2 April 2019, he announced his retirement from cross-country skiing.
All results are sourced from the International Ski Federation (FIS).