Sunao Ishiharada

Sunao Ishiharada (石原田 愿) was a Japanese freestyle swimmer who competed in the 1932 Summer Olympics and in the 1936 Summer Olympics. He was born in Kagoshima Prefecture. In 1932 he was eliminated in the semi-finals of the 1500 metre freestyle event. Four years later he finished fourth in the 1500 metre freestyle competition.