Wong Kan Seng PPA(P) (Chinese: 黄根成; pinyin: Huáng Gēnchéng; Jyutping: Wong4 Gan1 Sing4; Pe̍h-ōe-jī: N̂g Kun-sêng; born 8 September 1946) is a Singaporean former politician who served as Deputy Prime Minister of Singapore between 2005 and 2011. He has been serving as Chairman of the United Overseas Bank since 2018. A former member of the governing People's Action Party (PAP), he was the Member of Parliament (MP) for Kuo Chuan SMC between 1984 and 1988, the Bishan East division of Thomson GRC between 1991 and 1997, and later Bishan–Toa Payoh GRC between 1997 and 2015.