thumb|300px|The area of Shiraoi District in Iburi Subprefecture.
is a district located in Iburi Subprefecture, Hokkaido, Japan.
As of 2004, the district has an estimated population of 20,866 and a density of 49.01 persons per km<sup>2</sup>. The total area is 425.75 km<sup>2</sup>.
Towns and villages
- Shiraoi