Diane Lockhart is a fictional character from the television series The Good Wife and its spin-off, The Good Fight. She is portrayed by actress Christine Baranski and is known for her intelligence, strong moral compass, and resilience. Diane is a seasoned attorney who navigates complex legal cases while dealing with personal and professional challenges. Throughout the series, Diane is depicted as a partner at a prestigious law firm, showcasing her expertise in various legal matters. Her character often addresses issues such as gender equality and political corruption, making her a prominent figure in the legal drama genre.