Marianne Sheridan is a fictional character from the novel and television series Normal People, written by Sally Rooney. She is portrayed as an intelligent and complex young woman who navigates her relationships and personal growth throughout her time in high school and university. Marianne is known for her strong personality and unique perspective on life, often challenging societal norms. In the story, Marianne develops a deep and complicated relationship with Connell Waldron, a classmate from her hometown. Their connection evolves over the years, highlighting themes of love, friendship, and the impact of social class. Marianne's character is central to exploring the emotional intricacies of young adulthood.