Peter Deng is a South Sudanese professional footballer, currently playing as a left back for Australian club Heidelberg United FC in the National Premier Leagues Victoria and for the South Sudan national football team. Born on January 12, 1993, in Nairobi, Kenya, he is the son of South Sudanese refugees who later resettled in Australia when he was 10 years old. His younger brother, Thomas Deng, is also a professional footballer.