Ernest George Maurice Lefebvre-Desvallières (3 October 1857 – 23 March 1926) was a 19th–20th-century French playwright.

[1][2] Maurice was the brother of George Desvallières, son of Emile Lefebvre Desvallières and Marie Legouvé (daughter and granddaughter of academicians Ernest Legouvé and Gabriel-Marie Legouvé).

[citation needed] He studied at lycée Condorcet.

[citation needed] He wrote several theatre plays in collaboration with Georges Feydeau.

[3]