Mitsuki Ono

is a Japanese snowboarder. She represented Japan at the 2022 and 2026 Winter Olympics.

Career Ono made her international debut at the 2018 FIS Snowboarding Junior World Championships and won a gold medal in the halfpipe event. She competed at the 2019 FIS Snowboarding Junior World Championships and again won a gold medal in the halfpipe event. She then represented Japan at the 2020 Winter Youth Olympics and won a gold medal in the halfpipe event with a score of 95.33.

Ono represented Japan at the 2022 Winter Olympics in the halfpipe event. She then represented Japan at the 2023 FIS Snowboard World Championships and won a bronze medal in the halfpipe event with a score of 83.00. She represented Japan at the 2025 FIS Snowboard World Championships and again won a bronze medal in the halfpipe event with a score of 88.50.

In January 2026, she was again selected to represent Japan at the 2026 Winter Olympics. She competed in the halfpipe event and won a bronze medal with a score of 85.00.