thumb|200px|The area of Niikappu District in Hidaka Subprefecture.
is a district located in Hidaka Subprefecture, Hokkaido, Japan.
As of 2010, the district has an estimated population of 5,862 and a density of 10.0 persons per km<sup>2</sup>. The total area is 585.88 km<sup>2</sup>.
Towns and villages
- Niikappu