Bruce Prichart Western (born July 1, 1964) is an Australian-born American sociologist and the Daniel and Florence Guggenheim Professor of Criminal Justice Policy at Harvard University. He is also the director of the Malcolm Wiener Center for Social Policy at Harvard, and the faculty chair of the Program in Criminal Justice Policy and Management at Harvard's John F. Kennedy School of Government. He has been called "one of the leading academic experts on American incarceration."