Robert Blakeney (1679 - 1 May 1733) was an Irish Member of Parliament.
He was the son of John Blakeney of Gallogh. William Blakeney, 1st Baron Blakeney was a second cousin.
He was appointed High Sheriff of County Galway for 1709 and 1729. He represented Athenry in the Irish House of Commons from 1721 to his death.[1]
He married Sarah, the daughter of Gilbert Ormsby, M.P. and had 3 sons and 4 daughters. His son John Blakeney and grandsons Robert, John, Theophilus and William Blakeney were also MPs for Athenry.