Pei Xinyi (Chinese: 裴鑫依; born 10 January 2005) is a Chinese weightlifter World Champion,[2] competing in the 59 kg division.

[3] At the 2022 World Championships in Bogotá she set 5 youth world records in the 64 kg category.

[4][5] At the 2023 Asian Championships in Jinju she set 4 junior world records in the 59 kg category.

She won the bronze medal in the women's 59 kg event at the 2023 World Weightlifting Championships held in Riyadh, Saudi Arabia.

[6][7] This biographical article relating to weightlifting in the People's Republic of China is a stub.