Tsogtyn Batbayar () was mayor of Ulaanbaatar, the capital city of Mongolia, from 2005 to December 2007. His successor was Tüdeviin Bilegt.
Batbayar is a member of the predominantly ex-communist Mongolian People's Revolutionary Party, or MPRP. The city council of Ulaanbaatar selected Batbayar as mayor in 2005.
Batbayar visited the United States, including the United Nations, in October 2006.