Tsogto Garmayevich Badmazhapov (; 1879âÂÂ1937) was a Russian translator, Mongolist, and discoverer of the city of Khara-Khoto.
An ethnic Buryat, he was a native of Troitskosavsk district in the Transbaikal Oblast of the Russian Empire. In his capacity as a translator and explorer with the rank of senior warden (uryadnik) he participated in the Mongolo-Kamskoy Expedition of Pyotr Kozlov (1899-1901). He worked for a trading company based at Kyakhta, "Sobennikov and Molchanov Brothers" under Bazar Baradin. He was executed in 1937 on charges of participating in a counter-revolutionary conspiracy against the Mongolian People's Republic.
Badmazhapov's home in Urga is now the Historical Museum of Ulan-Bator.