Hector Lewis MacQueen CBE FBA FRSE (born 1956) is a Scottish academic, a senior scholar of Scots law and legal history, and a former member of the Scottish Law Commission. He is Professor of Private Law at the University of Edinburgh and a former Dean of its Faculty of Law. He is author, co-author and editor of a large number books on Scottish law and legal history, including the 11th, 12th, 13th and 14th editions of the standard text Gloag & Henderson Law of Scotland, and is former Literary Director of the Stair Society. He is a member of the International Advisory Group for the JKLH-funded project, The Paradox of Medieval Scotland, 1093 - 1286. In 1995 he became a Fellow of The Royal Society of Edinburgh.
He is the son of the literary scholar Professor John MacQueen.