Bayannuur

Bayannuur, Bayannur, or Bayinnur ( Баян-нуур, Mongolian: rich lake) may refer to:

Mongolia

 * several Sums (districts) in different Aimags (provinces), Mongolia
 * Bayannuur, Bayan-Ölgii
 * Bayannuur, Bulgan
 * Bayan Lake, a lake in Zavkhan Province

China

 * Bayannur, a prefecture-level city in Inner Mongolia
 * Bayannur, Sonid, a town in Sonid Left Banner, Inner Mongolia
 * Bayannur, Horqin, a sum (Township) in Horqin Right Middle Banner, Inner Mongolia
 * Bayinnur, Otog, (巴音淖尔乡) a Township in Otog Banner, Inner Mongolia