Forollhogna National Park (Norwegian: Forollhogna nasjonalpark) is a national park in the counties of Sør-Trøndelag and Hedmark, Norway. Forollhogna (or Forelhogna) park includes extensive plant life and is an important range for wild reindeer. The park lies in the municipalities of Kvikne, Tynset, Tolga, and Os in Hedmark and Holtålen, Midtre Gauldal, and Rennebu in Sør-Trøndelag.