Kaishu Hirano (平野海祝, born 14 October 2002) is a Japanese snowboarder who competed at the 2022 Winter Olympics.

Hirano competed at the 2018 FIS Snowboarding Junior World Championships and won a bronze medal in the halfpipe event.

[1] He represented Japan at the 2020 Winter Youth Olympics and won a silver medal in the halfpipe event.

[2] He competed at the 2022 Winter X Games in Aspen, Colorado and won a bronze medal in the superpipe event.

[3] He represented Japan at the 2022 Winter Olympics in the men's halfpipe event and finished ninth.