Wumahe District (simplified Chinese: 乌马河区; traditional Chinese: 烏馬河區; pinyin: Wūmǎhé Qū) was a district of the prefecture-level city of Yichun, Heilongjiang province, China.

2 Formally part of Oroqen Banner in Inner Mongolia but administered de facto by Daxing'anling Prefecture in Heilongjiang.

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