Tan Sri Datuk Seri Dr. Chua Soi Lek ; born 2 January 1947, also known as Chua Kin Seng, is a Chinese Malaysian politician from the state of Johor. He is the 9th President of the Malaysian Chinese Association (MCA), a major component party in Barisan Nasional (BN) coalition from 2010 until 2013. He held the post of Minister of Health from 2004 until 2008. He has also been a one-term Member of Parliament (MP) for Labis (2004-2008) and a 4-term Member of the Johor State Legislative Assembly (MLA) for Penggaram from 1986 to 2004.

The Malaysian Chinese Association is a uni-racial political party in Malaysia that seeks to represent the Malaysian Chinese ethnicity; it was one of the three original major component parties of the coalition party in Malaysia called the Alliance Party, which later became a broader coalition called Barisan Nasional in Malay, or National Front in English.