Jean de Létraz, pen name of Jean Félix Deletraz, (23 February 1897 – 3 June 1954) was a French playwright, spécialising in vaudeville, who authored nearly 118 plays, among which the most famous is Bichon written in 1935.

His first of more than 100 plays was Opium, a one-act play starring Sarah Bernhardt during World War I.^[1] As well as Bichon (1935), other popular plays of his included On demande un ménage (1942), Descendez, on vous demande (1946), Moumou (1944) and La Fessée (1936).^[1] He was also a screenwriter and a dialoguist. A good number of his plays have been adapted to film.

From 1942 until his death, he was managing director of the Théâtre du Palais-Royal where he directed both his own plays and others. He was also a vice-president of a Paris theatre managers' organization.^[1]

His wife, Simone,^[2] took over the managing of the theatre up to 1965 and staged some of his posthumous works.^[3]

• Nicole s'éveille (with Suzette Desty, 1926)
• Nicole s'égare (with Suzette Desty, 1926/27)
• Un homme... deux femmes (with Suzette Desty, 1927)
• Douze Nuits d'amour (1927)
• Nicole s'abrite (with Suzette Desty, 1928)
• Un couple passa... (1929)
• La jeune fille et les amants (1930)
• ...tu m'aimes? (1932)

• Chauffeur Antoinette, directed by Herbert Selpin (German, 1932, based on the play Chauffeur Antoinette)
  • The Love Contract, directed by Herbert Selpin (English, 1932, based on the play Chauffeur Antoinette)
  • Conduisez-moi Madame, directed by Herbert Selpin (French, 1932, based on the play Chauffeur Antoinette)
• Fräulein Liselott, directed by Johannes Guter (German, 1934, based on the play Glück im Haus)
• Bichon, directed by Fernand Rivers (French, 1936, based on the play Bichon)
• Odygdens belöning [sv], directed by Gideon Wahlberg and John Lindlöf (Swedish, 1937, based on the play Bichon)
• La Fessée [fr], directed by Pierre Caron (French, 1937, based on the play La Fessée)
• Papà per una notte, directed by Mario Bonnard (Italian, 1939, based on the play Bichon)
• Bajó un ángel del cielo, directed by Luis César Amadori (Spanish, 1942, based on the play Bichon)
• Frederica, directed by Jean Boyer (French, 1942, based on the play Épousez-nous, Monsieur)
• Adrien, directed by Fernandel (French, 1943, based on a play by Jean de Létraz)
• On demande un ménage [fr], directed by Maurice Cam (French, 1946, based on the play On demande un ménage)
• Bichon, directed by René Jayet (French, 1948, based on the play Bichon)
• Nous avons tous fait la même chose [fr], directed by René Sti (French, 1950, based on the play Nous avons tous fait la même chose)
• L'Extravagante Théodora [fr], directed by Henri Lepage (French, 1950, based on the play L'Extravagante Théodora)
• Voyage for Three, directed by Jean-Paul Paulin (French, 1950, based on the play Le Voyage à trois)
• Descendez, on vous demande, directed by Jean Laviron (French, 1951, based on the play Descendez, on vous demande)
• Moumou, directed by René Jayet (French, 1951, based on the play Moumou)
• Une nuit à Megève [fr], directed by Raoul André (French, 1953, based on the play Une nuit à Megève)
• Hurra – die Firma hat ein Kind [de], directed by Hans Richter (German, 1956, based on the play Bichon)