Marthe Kristoffersen (born 11 August 1989 in Karlsøy, Norway) is a Norwegian cross-country skier who has competed since 2006.

She was born on the island of Vannøya in Karlsøy Municipality in Troms county, Norway.

At the 2009 World Championship in Liberec, she finished fourth in the 4 × 5 km relay, ninth in the individual sprint, and 12th in the 30 kilometres (19 mi) events.

Kristoffersen also finished third at a 10 kilometres (6.2 mi) event in Lahti on 8 March 2009.

This biographical article relating to Norwegian cross-country skiing is a stub.