Mortimer Shuman (12 November 1938 – 2 November 1991) was an American singer, pianist and songwriter, best known as co-writer of many 1960s rock and roll hits, including "Viva Las Vegas". He also wrote and sang many songs in French, such as "Le Lac Majeur", "Papa-Tango-Charly", "Sha Mi Sha", "Un Été de Porcelaine", and "Brooklyn by the Sea" which became hits in France.