was a district located in Toyama Prefecture, Japan.
As of 2003, the district had an estimated population of 46,031 with a density of 86.59 persons per km<sup>2</sup>. The total area was 531.55 km<sup>2</sup>.
Prior to its dissolution, the district consisted of four towns and four villages:
Due to the enforcement of the district government, the district was founded in 1896 when the former Tonami District, occupied the southwestern Etchà « Province, split into Nishitonami and Higashitonami Districts.
At the time of founding, the district covered all of the city of Tonami (but the sections of Takanami, Takasu, and Wakabayashi); the city of Nanto (but the Kamiyamada and Yamada sections from the former town of Fukumitsu); the sections of Higashiishiguro and Nishinojiri from the former town of Fukumitsu; and the sections of Nakata and Toidewaka in the city of Takaoka. The district seat was located at the town of De (now the center of the city of Tonami).