Sir Archibald Murray of Blackbarony, 3rd Baronet (died before 28 May 1700), was a Scottish soldier, parliamentary commissioner and Gentleman. He was the son of Sir Alexander Murray, 2nd Baronet of Blackbarony, Sheriff of Peeblesshire (died c.1698), and Margaret Cockburn. He married Mary, eldest daughter of William Keith, 7th Earl Marischal, and they had seven children. He served as a commissioner for Peeblesshire in the Parliament of Scotland in 1661–63, 1665, 1667, 1669–74, 1678, 1681–82, 1685–86 and 1689–98.