Celine Marie Knudtzon Brun-Lie (born 18 March 1988) is a Norwegian former cross-country skier.

She made her World Cup debut in March 2007 in Stockholm, with a twentieth place.

She also competed at the FIS Nordic World Ski Championships 2009, recording a twelfth place in the sprint.

[4] In February 2015, Brun-Lie announced that she was retiring from top-level skiing after the 2015 season, aiming to complete her civil engineer studies at the Norwegian University of Science and Technology.

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