Tatsuya Murasa

is a Japanese competitive swimmer. He competed in the men's 4 × 200 metre freestyle relay at the 2024 Summer Olympics and won a bronze medal at the men's 200 metre freestyle at the 2025 World Aquatics Championships.

Career Murasa Graduated from the Kariya Municipal Fujimatsukita Elementary School, Kariya Municipal Fujimatsu Junior High School, and Chukyo University's Chukyo High School, and is currently studying at Chuo University's Faculty of Policy Studies. At the 2025 World Aquatics Championships, he set a new Japanese record of 1 minute and 44.54 seconds in the 200m freestyle race and won a bronze medal.