Claude Étienne Edmond Marie Pierre Delvincourt (12 January 1888 – 5 April 1954) was a French pianist and composer of classical music.Delvincourt was born in Paris, the son of Pierre Delvincourt and Marguerite Fourès.He studied at the Conservatoire de Paris, first under Leon Boëllmann, then under the centenarian Henri Büsser. Also, he was taught counterpoint and fugue by Georges Caussade and composition by Charles-Marie Widor. A Prix de Rome winner in 1911 and again in 1913 (on the latter occasion he shared the award with Lili Boulanger), he was appointed Director of Conservatoire at Versailles in 1932 and Director of the Paris Conservatoire in 1940, following the resignation of Henri Rabaud.