was a town located in Setana District, Hiyama Subprefecture, Hokkaido, Japan.
As of 2004, the town had an estimated population of 5,908 and a density of 15.59 persons per km<sup>2</sup>. The total area was 379.03 km<sup>2</sup>.
On September 1, 2005, Kitahiyama, along with the town of Taisei (from Kudō District) was merged into the expanded town of Setana (formerly from Setana District, now in Kudō District).