Milly Clark (born 1 March 1989) is an Australian long distance runner. She ran her first official marathon in 2015 in Amsterdam and qualified for the 2016 Rio Olympics. She placed 18th at the Olympics. Her aunt Elizabeth Jack is a fomer Olympic diver, while her mother Margaret competed in gymnastics at the 1978 Commonwealth Games. Her father works as a principal at international schools, and hence Clark spent much of her childhood in Germany and Indonesia. She has a master's degree in nutrition from University of Sydney and also studied at Drake University in the United States.