A viscount is a British nobleman who is below an earl and above a baron in rank. a biography of Viscount Mourne. a British nobleman with a rank between that of an earl and a baron. European title of nobility, ranking immediately below a count, or earl. The wife of a viscount is a viscountess. In the Carolingian period, the vicecomes were deputies or lieutenants of the counts (comes), whose official powers they exercised by delegation. In the 11th century most of Normandy was divided into vicomtés, but the viscountcy was not introduced into the English peerage until nearly 400 years after the Norman conquest. Bacon Francis Viscount St. Albans Barras Paul François Jean Nicolas viscount de Beauharnais Alexandre viscount de Bolingbroke Henry Saint John 1st Viscount Canning Stratford Viscount Stratford of Redcliffe Castelo Branco Camilo viscount of Correia Botelho Castlereagh Robert Stewart Viscount Chateaubriand François Auguste René viscount of Cooper Alfred Duff 1st Viscount Norwich of Aldwick Haldane of Cloane Richard Burdon 1st Viscount Howe William Howe 5th Viscount Lesseps Ferdinand Marie viscount de Melbourne of Kilmore William Lamb 2nd Viscount Montgomery of Alamein Bernard Law Montgomery 1st Viscount Morley of Blackburn John Morley Viscount Nelson Horatio Nelson Viscount Snowden of Ickornshaw Philip Snowden Viscount Townshend of Rainham Charles Townshend 2nd Viscount Viscount Melville Sound Alanbrooke of Brookeborough Alan Francis Brooke 1st Viscount Allenby of Megiddo and of Felixstowe Edmund Henry Hynman Allenby 1st Viscount Cecil of Chelwood Edgar Algernon Robert Gascoyne Cecil 1st Viscount Chelmsford of Chelmsford Frederic John Napier Thesiger 1st Viscount Viscount Templewood of Chelsea Philippe Marie viscount de Hauteclocque Maurice Harold Macmillan 1st earl of Stockton Viscount Macmillan of Ovenden Northcliffe of Saint Peter Alfred Charles William Harmsworth Viscount Palmerston of Palmerston Henry John Temple 3rd Viscount Samuel of Mount Carmel and of Toxeth Herbert Louis Samuel 1st Viscount Simon of Stackpole Elidor John Allsebrook Simon 1st Viscount Slim William Joseph 1st Viscount Slim of Yarralumla and Bishopston Turenne Henri de La Tour d'Auvergne viscount de