Takasi Tokioka (1913–September 30, 2001) was a Japanese zoologist. He published over 200 scientific articles on marine animals such as chaetognaths, ctenophores, and tunicates. He was Professor of Zoology at Kyoto University working at the Seto Marine Biological Laboratory in Shirahama, Japan. From 1975-1977, he was the Director of SMBL.

At least a dozen species are named in his honor.

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