| Kaminokuni | |
| Native Name Lang: | ja |
| Settlement Type: | Town |
| Seal Type: | Emblem |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | Location in Japan |
| Coordinates: | 41.8°N 147°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Hokkaido |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Hokkaido (Hiyama Subprefecture) |
| Subdivision Type3: | District |
| Subdivision Name3: | Hiyama |
| Extinct Title: | Now part of |
| Leader Title: | Mayor |
| Leader Name: | Nomoru Kudo |
| Leader Title1: | Vice Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 547.58 |
| Population Total: | 5,161 |
| Population As Of: | September 30, 2016 |
| Population Density Km2: | auto |
| Timezone1: | JST |
| Utc Offset1: | +09:00 |
| Blank Name Sec1: | City hall address |
| Blank Info Sec1: | 100 Odomari, Kaminokuni, Hiyama District, Hokkaido 049-0698 |
| Module: | |
is a town located in Hiyama Subprefecture, Hokkaido, Japan.
As of September 2016, the town had an estimated population of 5,161, and a density of 9.4 per km2. The total area is 547.58 km2.
Kaminokuni is located on the southwest of the Oshima Peninsula and faces the Sea of Japan. Amano River flows through the central town. Esashi Line used to run along this river.
Strongman Takeda Nobuhiro (1431-1494), progenitor of the Kakizaki (later Matsumae) house, established a fort (tate) in Kaminokuni leading to the settlement of the area by other Wajin merchants and fishermen.