Bayan-Öndör (ᠪᠠᠶᠠᠨᠥᠨᠳᠦᠷ, Баян Өндөр, Mongolian: rich plateau, Chinese: 巴彦温都尔, English: Bayan-Ondor, Bayan-Undur) may refer to:

Mongolia

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China

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