thumb|200px|Yoichi District in Shiribeshi Subprefecture.
is a district located in Shiribeshi Subprefecture, Hokkaido, Japan.
As of 2004, the district has an estimated population of 28,213 and a density of 47.93 persons per km<sup>2</sup>. The total area is 588.64 km<sup>2</sup>.
History
Yoichi developed as an agricultural area in the 1870s.