Thomas J. Lydon (June 3, 1927 – March 1, 2012) was an American lawyer who served as a judge of the United States Court of Federal Claims from 1982 to 1987.

Born in Portland, Maine, Lydon served in the United States Navy in 1945–1946.

Lydon was a trial judge for the United States Court of Claims from 1972 to 1982.

In 1982, Lydon was reassigned by operation of law to the United States Court of Federal Claims.

[1][2] This biography of a federal judge in the United States is a stub.