Yukiaki Okabe

was a retired Japanese freestyle swimmer. He was part of the Japanese teams that set a world record in 1963. Okabe won an Olympic bronze medal in 1964 in the 4 × 200 m freestyle relay. In 1964 he also finished fourth in the 4 × 100 m freestyle relay and fifth in the 4 × 100 m medley relay.
Okabe died of pneumonia in Tokyo on January 26, 2018 at the age of 76.