Joanna Eberhart is a fictional character from the novel "The Stepford Wives," written by Ira Levin. She is portrayed as a modern, independent woman who moves to the seemingly idyllic town of Stepford, Connecticut, with her family. As she settles in, Joanna begins to notice strange changes in the behavior of the women around her, leading her to question the town's unsettling atmosphere. Throughout the story, Joanna's character embodies themes of feminism and the struggle for identity. Her experiences highlight the tension between traditional gender roles and the desire for autonomy, making her a central figure in the narrative's exploration of societal expectations.