| Matsudaira Katasada | |
| Native Name: | 松平容貞 40px |
| Office1: | 4th Daimyō of Aizu Domain |
| Monarch1: | Shōgun |
| Term Start1: | 1731 |
| Term End1: | 1750 |
| Predecessor1: | Matsudaira Masakata |
| Successor1: | Matsudaira Katanobu |
| Birth Date: | 2 October 1724 |
| Father: | Matsudaira Masakata |
| Spouse: | Tomoe, daughter of Matsudaira Yoritoyo of Takamatsu Domain |
was the 4th daimyō of Aizu Domain in Mutsu Province, Japan (modern-day Fukushima Prefecture). His courtesy title was Sankonoe-gon-shō-shō and Jijū, and his Court rank was Junior Fourth Rank, Lower Grade.
Matsudaira Katasada was the eighth son of Matsudaira Masakata and became daimyō in 1731 on his father's death. He was received in formal audience by Shogun Tokugawa Yoshimune in 1735. His courtesy title was promoted from Bungo-no-kami to Sankonoe-gon-shō-shō in 1740. Due to peasant unrest, he was able to pay only one half of his required taxes in 1749, and died in 1750 at the age of 27. He was married to a daughter of Matsudaira Yoritoyo of Takamatsu Domain, and had two sons and one daughter.