Ryoma Kimata

is a Japanese snowboarder.

Career In April 2019, he competed at the FIS Snowboarding Junior World Championships and won a gold medal in the big air event. He then competed at the 2020 Winter Youth Olympics and won a gold medal in the big air event with a score of 195.00 points.

Kimata represented Japan at the 2025 Snowboarding World Championships in the big air event. During his second run, he fell attempting a backside 1980 melon, which resulted in a bloody nose. After receiving medical attention, he returned for his third and final run. He landed a backside 1980 and won the gold medal with a score of 176.75.

In January 2026, he was selected to represent Japan at the 2026 Winter Olympics. During big air qualification he scored 164.75 points and advanced to the finals. He won a silver medal during the finals with a score of 171.50.