Xia Zhiguang (, born January 4, 2000), is a Chinese actor and singer. He began his career in the entertainment industry when he participated in the idol survival show X-Fire (2015) and joined the Chinese boy group X Nine. Later, he participated in the second season of Produce 101 China and finished fourth place, becoming a member of R1SE. Following R1SE and X Nine's disbandment, Xia focused on acting. As an actor, he is well-known for his roles in The Spirealm (2024), Dashing Youth (2024) and Blossom (2024).