Minami-Uonuma (南魚沼郡, Minami-Uonuma-gun) is a district located in Niigata Prefecture, Japan.

As of July 1, 2019, the district has an estimated population of 7,926 with a density of 22.2 persons per km. The total area is 50.03 km.

The district consists of only one town:

• Yuzawa

This list is incomplete; you can help by adding missing items. (March 2023)

• On November 1, 2004 - The towns of Muika and Yamato were merged to form the city of Minamiuonuma.
• On October 1, 2005 - The town of Shiozawa was also merged into expanded city of Minamiuonuma.

36°52′08″N 138°49′01″E / 36.869°N 138.817°E / 36.869; 138.817