Line Jahr (born 16 January 1984 in Drammen) is a Norwegian ski jumper.

She came in ninth place in the 2009 World Championship in Liberec, and finished fourth at the 2005 Winter Universiade.

[1] She made her debut in the Continental Cup, the highest level in women's ski jumping, in March 2004 with a fourth place in Park City.

She has finished among the top three 17 times, with three wins and five second places.

[1] This biographical article relating to Norwegian ski jumping is a stub.