Koh Poh Koon (Chinese: 许宝琨; pinyin: Xú Bǎokūn; born 1972) is a Singaporean politician and former colorectal surgeon who has been serving as Senior Minister of State for Sustainability and the Environment since 2022 and Senior Minister of State for Manpower since 2021. A member of the governing People's Action Party (PAP), he has been the Member of Parliament (MP) representing the Tampines Central division of Tampines GRC since 2020. He also served as Deputy Secretary-General of the National Trades Union Congress (NTUC) between 2018 and 2021.