Kamikawa (上川郡(天塩) -gun) is a district located in Kamikawa Subprefecture, Hokkaido, Japan. Confusingly, there is a district of the same name, Kamikawa (Ishikari) District, in the same subprefecture. When Hokkaido was divided into provinces and districts, this district was placed under Teshio Province. The name is derived from its location at the headwaters of the Teshio River (the other Kamikawa is named after the Ishikari River). There is a third district with this name in Hokkaido, see Kamikawa.
As of 2004, the district has an estimated population of 19,531 and a density of 11.21 persons per km². The total area is 1,742.85 km².
