Liu Siyuan is a professional footballer from CHN and is currently 16 years old. He is on the books of Shenzhen Juniors U15 and wears shirt number 19. His main role on the pitch is Forward.

During the Chinese U15 League 2025 campaign, Liu Siyuan made 7 appearances, scoring 0 goals and adding 1 assists. He averaged 0 goals per match from 0 shots, with 0 on target.