Didrik Tønseth (also spelled Toenseth, born 10 May 1991) is a Norwegian cross-country skier and runner.

[1] He represented Norway at the FIS Nordic World Ski Championships 2015 in Falun.

He narrowly lost the final sprint to Canadian Alex Harvey, and came fourth.

[2] He skied the second leg of the relay, earning him a gold medal after Northug's strong finish.

[4] All results are sourced from the International Ski Federation (FIS).