Yu Jiaxin[1] (born March 26, 1998, in Inner Mongolia) is a Chinese female curler from Changchun.

Yu was the alternate for the Chinese team at the 2018 World Junior Curling Championships where they won the bronze medal.

She also was the alternate on the Chinese team skipped by Han Yu at the 2019 Pacific-Asia Curling Championships.

They placed third after the round robin before defeating South Korea's Gim Un-chi in the semifinal and Japan's Seina Nakajima in the final.

This Chinese biographical article relating to curling is a stub.