Thomas J. Barrett (born January 15, 1947) is a former United States Coast Guard officer and former Deputy Secretary of Transportation from 2007 until 2009.

in Biology from Le Moyne College, Syracuse, New York and a Juris Doctor with honors from the George Washington University.

In that capacity, he served as second in command, Agency Acquisition Executive, coordinated the Coast Guard Leadership Council, and co-chaired with the Vice Chief of Naval Operations the Navy-Coast Guard Board, an inter-service policy coordination body.

He was instrumental in improving maritime security post 9/11, expanding Coast Guard support to the National Foreign Intelligence Community, supporting Operation Iraqi Freedom, and smoothly transitioning the Coast Guard into the new Department of Homeland Security.

Barrett was the Vice President and Chief Operating Officer of the Potomac Institute for Policy Studies.