Ong Ka Chuan (simplified Chinese: ???; traditional Chinese: ???; pinyin: Huáng Jiaquán; Pe?h-oe-ji: N^g Ka-chôan; born 29 May 1954) is a Malaysian politician and was the Member of Parliament for Tanjung Malim, Perak from March 2008 to May 2018.
Ong was the secretary-general for twice for the Malaysian Chinese Association (MCA), a component party of the Barisan Nasional coalition.
The first time he was elected by the 7th MCA President Ong Ka Ting who is also his younger brother on 30 August 2005 and the second time by the 10th MCA President Liow Tiong Lai on 2 January 2014.Ong was the Second Minister for International Trade and Industry from 2015 to 2018.
Formerly he was the Minister of Housing and Local Government from 2008 to 2009.