Thomas John Campbell is an American academic, educator, and politician. He is a professor of law at the Dale E. Fowler School of Law, and a professor of economics at the George Argyros School of Business and Economics, at Chapman University, in Orange, California.

Chapman University's Dale E. Fowler School of Law, commonly referred to as Chapman University School of Law or Fowler School of Law, is a private, non-profit law school located in Orange, California. The school offers the Juris Doctor degree (JD) and combined degree programs including a JD/MBA, and a JD/MFA in Film & Television Producing. The school also offers emphasis options in Business Law, Criminal Law, Entertainment Law, Environmental Law, Entrepreneurial Law, International Law, Trial Advocacy, and Taxation. Currently, the school has 38 full-time and 70 part-time faculty and a law library with holdings in excess of 290,000 volumes and volume equivalents.