Mattias Hargin (born 7 October 1985) is a Swedish former World Cup alpine ski racer.

[1] Born in Stockholm, he competed mainly in slalom, and is the younger brother of Janette Hargin (b.

Hargin was married to Swedish alpine free-skier Matilda Rapaport, who died in an avalanche in Chile in July 2016.

[2] In January 2011, Hargin made a strong comeback in a World Cup slalom in Zagreb to finish third.

Hargin was runner-up in a World Cup slalom at Val-d'Isère in December 2013.