Ryszard Jerzy Petru (born July 6, 1972, Wroclaw, Poland) is a Polish economist and politician. He served as an assistant to several members of parliament in the 1990s. He has worked as an economist for the World Bank, PricewaterhouseCoopers and several Polish banks. Since 2011, he has been the chairman of the Association of Polish Economists. He is the author of several books, including two children's books on economics.