Thomas C. Galligan Jr. (born September 3, 1955) is an American lawyer, legal scholar, administrator and educator who was the Interim President of Louisiana State University.

[5] Prior to taking up administrative roles, Galligan taught at the Paul M. Hebert Law Center from 1986 until May 1998.

His co-authored scholarship with Professor Frank L. Maraist has been honored by the Louisiana Bar Journal and the Tulane Law Review.

[7] His expertise in admiralty and international maritime law was widely sought after the Deepwater Horizon oil spill, including by the Associated Press,[8] The Wall Street Journal,[9] and The New York Times.

His daughter, Jennifer, currently sits as the Senior Development and Marketing Manager of Junior Achievement of Middle Tennessee.