Belle de nuit

Belle de nuit is a French phrase meaning "Beauty of the night".

Belle de nuit may refer to:
 * Belle de Nuit (horse), a horse winner of the Test Stakes race in 1966
 * Belle de nuit (film), a 1933 French film with Véra Korène
 * Belle de Nuit, a 2017 French biopic film about Grisélidis Réal
 * Les Belles de nuit (US title: Beauties of the Night), a 1952 French language motion picture fantasy directed and written by René Clair

Plants

 * Mirabilis jalapa or four o'clock flower, an ornamental plant
 * Epiphyllum oxypetalum or queen of the night, a species of cactus
 * Oenothera macrocarpa or bigfruit evening primrose, a flowering plant