Mah Bow Tan (Chinese: 马宝山; pinyin: Mǎ Bǎoshān; born 12 September 1948) is a Singaporean former politician who served as Leader of the House between 2007 and 2011, Minister for National Development between 1999 and 2011, Minister for the Environment between 1993 and 1995, and Minister for Communications between 1991 and 1999. A former member of the governing People's Action Party (PAP), he was the Member of Parliament (MP) representing the Tampines East ward of Tampines GRC between 1988 and 2015.