thumb|320px|right|Map showing original extent of Minamiuonuma District in [[Niigata Prefecture:<br /><br />* yellow - areas formerly within the district borders during the early Meiji period<br />* green - current borders<br /> ]]
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<sup>2</sup>. The total area is 50.03 km<sup>2</sup>.
Municipalities
The district consists of only one town:
- Yuzawa
History
District Timeline
Recent mergers
- 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.