Tsagaannuur (, white lake) is a common place name in Mongolia:
Terkhiin Tsagaan Nuur, a lake in the Arkhangai Aimag (province) Dood Tsagaan nuur, a lake in the Khövsgöl Aimag Tsagaannuur, Khövsgöl, the sum (district) west of the lake two other sums in different aimags of Mongolia: Tsagaannuur, Bayan-Ölgii Tsagaannuur, Selenge
See also Tsagaan (disambiguation)