William Arthur Speck (born 1938) is a British historian specializing in late 17th and 18th-century British and American history. Speck was educated at Bradford Grammar School and The Queen's College, Oxford, gaining a BA in 1960 and a D.Phil in 1966. He is Emeritus Professor of History at the University of Leeds and a Special Professor in the School of English Studies at the University of Nottingham where he co-convenes an Interdisciplinary Eighteenth-Century Research Seminar.