Madeleine Hanna is a fictional character from the novel "The Secret History" by Donna Tartt. She is a student at a small liberal arts college in Vermont, where she becomes involved with a group of elite students studying Greek literature. Madeleine is portrayed as intelligent and ambitious, navigating the complexities of friendship and morality. Throughout the story, Madeleine's character experiences significant development as she grapples with the consequences of her choices and the influence of her peers. Her relationships with other characters, including Richard Papen and Camilla Macaulay, highlight themes of loyalty, betrayal, and the pursuit of knowledge.