"Madame de Rênal" is a character from the novel "The Red and the Black" by Stendhal. She is the wife of a wealthy manufacturer and becomes the love interest of the protagonist, Julien Sorel. Madame de Rênal is portrayed as a kind and gentle woman, struggling with her emotions and societal expectations. Throughout the story, her relationship with Julien highlights themes of love, passion, and social class. Madame de Rênal's character embodies the conflict between personal desires and the constraints of her 19th-century French society, making her a significant figure in the narrative.