Patrick "Patt" Lalor (1781–1856) was a political leader in Queen's County, Ireland in the 19th century and the father of revolutionary politicians James Fintan Lalor, Peter Lalor and Richard Lalor. He was the first Catholic elected to the House of Commons to represent Queen's County (1832-5) in over two centuries and a loyal supporter of the Repeal Association led by Daniel O'Connell.