Pierre Charles Marcel Napoléon Leroyer (16 December 1918 – 27 December 2006), known professionally as Pierre Delanoë (French pronunciation: [pjɛʁ dəlanɔe]), was a French lyricist who wrote thousands of songs for dozens of singers, including Dalida, Edith Piaf, Charles Aznavour, Petula Clark, Johnny Hallyday, Joe Dassin, Michel Sardou and Mireille Mathieu.

They penned some of France's best loved songs, including "Et maintenant", translated into English as "What Now My Love", which was covered by artists including Agnetha Fältskog, Elvis Presley, Frank Sinatra, Barbra Streisand, the Supremes, Sonny & Cher, Herb Alpert & the Tijuana Brass and the Temptations.

"Je t'appartiens" ("Let It Be Me") was covered by the Everly Brothers, Tom Jones, Bob Dylan, Willie Nelson, Nina Simone and Nofx.

In addition to Bécaud, Delanoë wrote for Édith Piaf ("La Goualante du pauvre Jean"), Tino Rossi, Hugues Aufray, Michel Fugain ("Je n'aurai pas le temps", "Une belle histoire"), Nicoletta, Nana Mouskouri, Michel Polnareff, Gérard Lenorman ("La Ballade des gens heureux"), Joe Dassin ("L'Été indien", "Les Champs-Élysées", "Et si tu n'existais pas"), Nicole Rieu ("Et bonjour à toi l'artiste") and Michel Sardou ("Les Vieux Mariés", "Le France").

He wrote a passionate song about Joan of Arc in "La demoiselle d'Orléans" for Mireille Mathieu.