Sohta Amagasa (天笠颯太, Amagasa Sà Âta, born June 14, 2000) is a Japanese professional rock climber, specializing in competition climbing.
Before 2021, Amagasa competed on the international youth competition climbing circuit. In 2019, he won the IFSC Youth World Championships bouldering and combined junior titles, and placed second in lead.
In 2021, Amagasa reached the bouldering final in his debut IFSC World Cup in Meiringen, placing sixth out of the 100 competitors at this event.
At the 2024 IFSC Climbing World Cup in Innsbruck, he won his first gold medal in bouldering, followed by a bronze medal in bouldering at the Seoul World Cup later in October.
In 2025, Amagasa won the silver medal at the Bouldering World Cup in Salt Lake City. Never placing lower than 9th all season, Amagasa went on to claim 3rd place in the overall Bouldering World Cup standings.