The Siberian weasels ranges from the Himalayas in Pakistan, India, Nepal and Bhutan to northern Myanmar, northern Thailand, Laos, Taiwan, China, and North Korea. In Russia, it occurs in the Kirov Province, Tataria, from the western Urals through Siberia to the Russian Far East. It has been introduced to Honshu, Shikoku, Kamishima and Jebu islands.