is a Japanese para-athlete and para snowboarder.
Kosuda competed at the 2025 World Para Snowboard Championships and won a gold medal in the banked slalom event.
In January 2026, he was selected to represent Japan at the 2026 Winter Paralympics where he served as the flagbearer during the 2026 Winter Paralympics Parade of Nations. He competed in the snowboard cross event and ranked third during the seeding run.