Baey Yam Keng (Chinese: 马炎庆; pinyin: Mǎ Yánqìng; born 1970) is a Singaporean politician who has been serving as Senior Parliamentary Secretary for Sustainability and the Environment since 2022 and Senior Parliamentary Secretary for Transport since 2018. A member of the governing People's Action Party (PAP), he has been the Member of Parliament (MP) representing the Tampines North division of Tampines GRC since 2011.