Michael Chen Wing Sum (Chinese: 曾永森; pinyin: Zēng Yǒngsēn; 26 June 1932 – 26 July 2024) was a Malaysian politician.

[1] Across his political career, he had served as Housing, Local Government and New Village Minister as well as the Senate President.

Michael Chen joined the Malaysian Chinese Association (MCA) in 1960.

Chen was appointed Minister with Special Functions in Abdul Razak's first cabinet.

He moved to challenge Lee San Choon for the MCA presidency itself in 1979, but was defeated.