Viscount Plumer, of Messines and of Bilton in the County of York, was a title in the Peerage of the United Kingdom. It was created in 1929 for the soldier and colonial official Field Marshal Herbert Plumer, 1st Baron Plumer. He had already been created Baron Plumer, of Messines and of Bilton in the County of York, in 1919, also in the Peerage of the United Kingdom. Both titles became extinct after the death of his son and successor, the second Viscount, in 1944.