Nishitonami (西礪波郡, Nishitonami-gun) was a district located in Toyama Prefecture, Japan.

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As of November 1, 2004, the district had an estimated population of 13,770 with a density of 234.34 persons per km². The total area was 58.76 km².

Prior to its dissolution, the district consisted of only one town left:

• Fukuoka^{[lower-alpha 1]}

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Due to the enforcement of the district government, the district was founded in 1896 when the former Tonami District, occupied the southwestern Etchū Province, split into Nishitonami and Higashitonami Districts.

The district covered all of the city of Oyabe, and the areas of Toide, Fukuoka, and Tatsuno in the city of Takaoka. The district seat was located at the town of Ishido (now the city of Oyabe).

• List of dissolved districts of Japan