Datuk Seri Mah Siew Keong (simplified Chinese: 马袖强; traditional Chinese: 馬袖強; pinyin: Mǎ Xiùqiáng; born 17 June 1961) is a Malaysian politician who served as Minister of Plantation Industries and Commodities and Minister in the Prime Minister's Department in the Barisan Nasional (BN) administration under former Prime Minister Najib Razak from June 2014 to the collapse of the BN administration in May 2018, Member of Parliament (MP) for Teluk Intan from November 1999 to March 2008 and again from May 2014 to May 2018 and Member of the Perak State Legislative Assembly (MLA) for Pasir Bedamar from April 1995 to November 1999. He is a member of the Parti Gerakan Rakyat Malaysia (GERAKAN), a component party of presently the Perikatan Nasional (PN) and formerly BN coalition. He also served as the