William Loren Katz (June 2, 1927 - October 25, 2019) was an American educator, historian, and author of 40 books on African-American history, including a number of titles for young adult readers.
He was particularly noted for his research and writing on the 500-year history of relations between African Americans and Native Americans.
His books include Breaking the Chains: African American Slave Resistance, The Black West, and Black Women of the Old West.