Desmond Lee Ti-Seng (Chinese: ???; pinyin: Li Zhisheng; born 15 July 1976) is a politician and lawyer from Singapore.
A member of the country's governing People's Action Party (PAP), he is currently the Minister for Social and Family Development and Second Minister in the Ministry of National Development.
He has been a Member of Parliament (MP) representing the Jurong Group Representation Constituency since 2011.