Nishitagawa District, Yamagata

 was a district located in Yamagata, Japan.
As of 2003, the district had an estimated population of 9,921 and a density of 38.84 persons per km2. The total area is 255.40 km2.
The district dissolved when Atsumi become part of the new city of Tsuruoka on October 1, 2005.