Diane Pamela Wood (born July 4, 1950) is an American attorney who serves as a Senior United States circuit judge of the United States Court of Appeals for the Seventh Circuit, and a senior lecturer at the University of Chicago Law School. After working in private practice and the executive branch, Wood became the third woman ever hired as a law professor at the University of Chicago Law School. President Bill Clinton nominated her to the Seventh Circuit on March 31, 1995. She is considered a liberal intellectual counter to Richard Posner and Frank H. Easterbrook.