Michelle Ng Mei Sze (simplified Chinese: 黄美诗; traditional Chinese: 黃美詩; pinyin: Huáng Měishī; Pe̍h-ōe-jī: N̂g Bí-si; born 7 April 1990) is a Malaysian politician who has served as Member of the Selangor State Legislative Assembly (MLA) for Subang Jaya since May 2018. She is a member of Democratic Action Party (DAP), a component party of the state ruling but federal opposition Pakatan Harapan (PH) coalition. She also serves as Secretary of the Legal Bureau of DAP.