La Cousine Bette (English: Cousin Betty or Cousin Bette) is an 1846 novel by French author Honoré de Balzac. Set in mid-19th century Paris, it tells the story of an unmarried middle-aged woman who plots the destruction of her extended family. Bette works with Valérie Marneffe, an unhappily married young lady, to seduce and torment a series of men. One of these is Baron Hector Hulot, husband to Bette's cousin Adeline. He sacrifices his family's fortune and good name to please Valérie, who leaves him for a tradesman named Crevel. The book is part of the Scènes de la vie parisienne section of Balzac's novel sequence La Comédie humaine.