Tags: Swimmer.
Katsuki Ishihara (石原 勝記 Ishihara Katsuki born March 10 1939) is a retired Japanese freestyle swimmer who competed at the 1960 and 1964 Summer Olympics. In 1960 he won a bronze medal in the 4×100 m medley relay by swimming for the Japanese team in the preliminary round. In 1964 his 4×100 m freestyle relay team finished in fourth place.