Khoshun-Uzur (Russian: Хошун-Узур; Buryat: Хошуун Yзүүр, Khoshuun Üzüür) is a rural locality (an ulus) in Mukhorshibirsky District, Republic of Buryatia, Russia.

Khoshun-Uzur is located 32 km northwest of Mukhorshibir (the district's administrative centre) by road.

Kharyastka is the nearest rural locality.

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