Kanoko Tsutani-Mabuchi (津谷-馬淵 鹿乃子, January 6, 1938 – January 4, 2025) was a Japanese diver who won five medals in the 3 m. springboard and 10 m. platform events at the Asian Games in 1954–74.

Together with her husband Ryo Mabuchi she competed in the springboard and platform at the 1956, 1960 and 1964 Summer Olympics and placed 7th–16th.

Her daughter Yoshino Mabuchi also became an Olympic diver.

[1] Mabuchi died from pneumonia on January 4, 2025, at the age of 87.

This biographical article relating to Japanese diving is a stub.