Datuk Wong Tien Fatt (; 2 October 1954 – 28 March 2019), also known as Stephen Wong, was a Malaysian politician. He served as the Member of Parliament for Sandakan for two terms from 2013 until his death 2019. Wong was also Minister of People's Health and Wellbeing of Sabah (since 2018) and Sabah state chairman of the Democratic Action Party (since 2017) until his death.