Parapercis katoi is a ray-finned fish species in the sandperch family, Pinguipedidae. It is found in Japan.Randall, J.E., H. Senou and T. Yoshino, 2008. Three new pinguipedid fishes of the genus Parapercis from Japan. Bull. Natl. Mus. Nat. Sci. Ser. A. Suppl. 2:69-84. This species reaches a length of .

Etymology The fish is named in honor of Kenji Kato, of the Tokyo Metropolitan Fisheries Experiment Station, who caught the holotype in 1991 with hook and line and provided color photographs of the live fish.

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