Babushkin (Russian: Ба́бушкин), known as Mysovsk (Мысовск) before 1941, is a town in Kabansky District of the Republic of Buryatia, Russia, located on the southern shore of Lake Baikal on the Trans-Siberian Railway.

It was founded in 1892 as a postal station Mysovaya (Мысовая),[2] its name derived from the Russian word Mys meaning "cape", referring to its location on the shores of Lake Baikal.

A few years later it was chosen as the eastern terminus for the train ferry across Lake Baikal, which was used as part of the Trans-Siberian Railway until the rail line around the southern shore was completed in 1905.

[1] As a municipal division, the territory of Babushkin, together with two rural localities, is incorporated within Kabansky Municipal District as Babushkinskoye Urban Settlement.

[4] Babushkin is a depot for wood transport on the Trans-Siberian Railway, as well as a tourist center for tours on southern Lake Baikal.