Hugh Barclay may refer to:
Hugh Barclay of Ladyland ( 1592), Scottish Catholic and poet Hugh Barclay (lawyer) (1799–1884), Scottish lawyer and sheriff substitute of Perthshire Hugh Barclay (architect) (1829–1892), Scottish architect, see Kilmarnock Hugh Douglas Barclay (1932–2021), New York State Senator and former United States Ambassador to El Salvador