Shotaro Shiroyama (城山正太郎, Shiroyama Shōtarō, born March 6, 1995) is a Japanese long jumper who won a bronze medal at the 2017 Asian Championships. He placed fifth at the 2018 Asian Games. In 2019, he competed in the men's long jump at the 2019 World Athletics Championships held in Doha, Qatar. He finished in 11th place.