Busani (Russian: Бусани) is the name of a body of fresh water in the Bauntovsky District, Buryatia, Russia.

[2] There are spectacular rock formations on the southeastern shore of lake Busani.

[8] The middle of the lake has a section stretching from north to south of irregular-shaped islands and peninsulas with deeply indented shorelines.

[6] The bottom of the lake is covered with dense aquatic plant growth.

The lake is rich in fish species, such as ruffe, grayling and Arctic char.