Ropars is a Breton-language surname. Notable people with the surname include:Loeiz Ropars - Breton traditional singer Anne-Marie Ropars - Breton poet Erwan Ropars - Piper on l'Héritage des Celtes, penn-soner of the bagad Kemper for 25 years and founder of the bagad Kerne Joseph Ropars - Commander of the SS France from September 1963 to July 1966 Marie-Claire Ropars-Wuilleumier - theorist of literature, cinema and aesthetics Guy Ropartz - French composer and conductor Marcel Ropars - Penn-soner of the bagad Kevrenn Brest Sant Mark from 1955 to 1958 Eugénie Ropars - Founder of the Celtic circle Poullaouen in the 1930s Yves Ropartz (1903–1983), French racing cyclist