Zeng Yixin (Chinese: 曾益新; pinyin: Zēng Yìxīn; born October 1962) is a Chinese oncologist and politician, and an academician of the Chinese Academy of Sciences.
He was a representative of the 19th National Congress of the Chinese Communist Party and a member of the 19th Central Commission for Discipline Inspection.
He is a representative of the 20th National Congress of the Chinese Communist Party and an alternate of the 20th Central Committee of the Chinese Communist Party.