Naoki Mizunuma
Naoki Mizunuma (水沼 尚輝, Mizunuma Naoki, born December 13, 1996) is a Japanese swimmer specializing in the butterfly stroke. He has represented Japan in international competitions, including the Olympic Games and World Aquatics Championships. Mizunuma achieved notable success at the 2022 World Aquatics Championships in Budapest, where he won a gold medal in the 100-meter butterfly. He is known for his powerful starts and strong finish in the butterfly events. His achievements have contributed to Japan's reputation in competitive swimming.