Desmond Lee Ti-Seng (Chinese: 李智陞; pinyin: Lǐ Zhìshēng; born 1976) is a Singaporean politician and lawyer who has been serving as Minister for National Development since 2020. A member of the governing People's Action Party (PAP), he has been the Member of Parliament (MP) representing the Boon Lay division of West Coast GRC since 2020.