Hårkan, a mountain river in Jämtland, Sweden is a tributary of the Indalsälven, with which it joins east of Lit. Including its source streams, it has a length of 184 km and a drainage basin of 3,990 km², a significant part of which is in Norway.
Hårkan has several fishing spots, mainly for grayling fishing. Other fishable species in Hårkan include pike, whitefish, and perch found in the calmer parts of the river.
