Tokuhei Sada (佐田 徳平, Sada Tokuhei) (1909 – December 17, 1933) was a Japanese swimmer who competed at the 1928 Summer Olympics in Amsterdam.

Born in Yamanashi Prefecture, Sada grew up in Nagoya and was a graduate of Meiji University.

Sada was a member of the Japanese team which won the silver medal for the 4 × 200 meter freestyle relay event at the 1928 Amsterdam Olympics.

After the Olympics, he went to work for Hankyu, but died due to a disease in 1933.

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