Khonuu is a rural locality situated in the Sakha Republic of Russia. It serves as the administrative center of the Momsky District and is located on the right bank of the Indigirka River.
According to census data, the population of Khonuu has fluctuated over recent decades. The 2010 census recorded a population of 2,476 residents, compared to 2,494 in 2002 and 3,057 during the 1989 Soviet census.