Tokugawa Munekatsu (徳川 宗勝, July 22, 1705 – July 23, 1761) was a Japanese daimyō of the Edo period, who ruled the Takasu Domain and then the Owari Domain. As lord of Takasu he used the name Matsudaira Yoshiatsu (松平 義淳). His childhood name was Daigoro (代五郎).

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• Father: Matsudaira Tomoaki (1678-1728), son of Tokugawa Mitsutomo of Owari Domain
• Mother: Oshige no Kata
• Wife: Tokugawa Mitsuhime, daughter of Tokugawa Yoshimichi of Owari Domain
• Concubines:
  • Okayo no Kata
  • Otase no Kata
  • Oyatsu no Kata
  • Osume no Kata
  • Otome no Kata
  • Tokuei'in
  • Senyuin
  • Terashima-Dono
• Children:
  • Yorozunosuke (1730-1732) by Mitsuhime
  • Fusahime betrothed to Shimazu Munenobu of Satsuma Domain by Okayo
  • Tokugawa Munechika by Okayo
  • Matsudaira Yoshitoshi (1734-1771) by Otase
  • Toyohime married Uesugi Shigesada of Yonezawa Domain by Otase
  • Matsudaira Katsushige by Otase
  • Matsudaira Katsunaga (1737-1811) by Otase
  • Naito Yorita (1741-1771) by Otase
  • Matsudaira Katsutsuna by Oyatsu
  • Takenokoshi Katsuoki (1738-1789) by Oyatsu
  • Kunihime married Asano Shigeakira of Hiroshima Domain by Oyatsu
  • Inoue Masakuni (1739-1791) by Osume
  • Hi-hime married Matsudaira Yorisaki of Hitachi-Fuchu Domain by Osume
  • Kyohime married Kujo Michisaki by Tokuei'in
  • Yokohime married Asano Shigeakira of Hiroshima Domain by Tokuei'in
  • Matsudaira Katsutaka by Terashima
  • Naito Masanobu (1752-1805) by Senyuin