Katō Yasuaki (加藤 泰秋, 2 October 1846 – 17 June 1926) was the 13th and last daimyō of Ōzu Domain, Japan. The second son of Katō Yasumoto, Yasuaki succeeded his elder brother Yasutomi upon the latter's death in 1864. Ōzu Domain and the other han or fiefs were abolished in 1871.

Yasuaki Kato
Katō Yasuaki
Born: 2 October 1846 Died: 17 June 1926
Regnal titles
Preceded by Daimyō of Ōzu
1864–1871
Abolished

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