Matsudaira Yasutō (松平 康任, June 20, 1779 – September 7, 1841) was a Japanese senior councillor of the late Edo period.
The seventh lord of the Hamada Domain, he was also the governor of Suō.
[1] He served in a variety of positions in the Tokugawa shogunate, including magistrate of temples and shrines, Osaka Castle warden and Kyoto Shoshidai.
[citation needed] He resigned as senior councillor after being held responsible for the Sengoku incident,[2] which brought him in conflict with Mizuno Tadakuni and his faction in the shogunate.
[citation needed] In 1836, he was placed under permanent house arrest after he was implicated for smuggling in the Takeshima incident, and died the following year.