Matsudaira Tadaatsu
Matsudaira Tadaatsu can refer to:
- Matsudaira Tadaatsu (Shimabara) 松平忠淳 - lord of Shimabara han; son of Date Munenori of Uwajima han.
- Matsudaira Tadaatsu (Ueda) 松平忠厚 - son of Roju Matsudaira Tadakata (lord of Ueda han); one of the first Japanese to graduate from Harvard University