Isak Grimholm (born 25 March 1985) is a Swedish former ski jumper.

He made his Continental Cup debut in August 2002 in Marikollen, and his best result is a victory from Iron Mountain in February 2007.

He participated in the FIS Junior World Ski Championships in 2002 and 2003.

[1] From Planica he holds the Swedish record in ski flying with 207.5 meters (681 ft).

This biographical article relating to Swedish ski jumping is a stub.