Su Keong Siong, known as Thomas Su (simplified Chinese: 苏建祥; traditional Chinese: 蘇建祥; pinyin: Sū Jiànxiáng; Pe̍h-ōe-jī: So͘ Kiàn-siông) is a Malaysian politician and lawyer. Su is currently the Member of the Pahang State Legislative Assembly (MLA) for Ketari. He has served as the Member of Parliament (MP) for Kampar from May 2018 to November 2022, for Ipoh Timor from May 2013 to May 2018, Member of the Perak State Executive Council (EXCO) in the Pakatan Rakyat (PR) state administration under former Menteri Besar Mohammad Nizar Jamaluddin from March 2008 to the collapse of the PR state administration in February 2009 and Member of the Perak State Legislative Assembly (MLA) for Pasir Pinji from March 2004 to May 2013. He is a member of Democratic Action Party (DAP), a component party of the