William Manning Marable (May 13, 1950 – April 1, 2011) was an American professor of public affairs, history, and African-American Studies at Columbia University. He founded and directed the Institute for Research in African-American Studies. Marable authored several texts and was actively involved in numerous progressive political causes.

At the time of his death, Marable had completed a biography of human rights activist Malcolm X, titled Malcolm X: A Life of Reinvention (2011). Marable was posthumously awarded the 2012 Pulitzer Prize for History for this work.