Zachary David Liew Vui Keong (simplified Chinese: 刘伟强; traditional Chinese: 劉偉強; pinyin: Liú Wěiqiáng; Pha̍k-fa-sṳ: Liù Vî-khiòng; 18 January 1960 – 2 October 2020) was a Malaysian politician who served as the Minister in the Prime Minister's Department in charge of legal affairs in the Pakatan Harapan (PH) administration under former Prime Minister Mahathir Mohamad from July 2018 to the collapse of the PH administration in February 2020 and Deputy Minister in the Prime Minister's Department also in charge of legal affairs as well as Deputy Minister of International Trade and Industry I in the Barisan Nasional (BN) administration under former Prime Ministers Abdullah Ahmad Badawi and Najib Razak from March 2008 to May 2013. He also served as the Member of Parliament (MP) for Batu Sapi from