Thomas David Van Orden (September 1, 1944 – November 11, 2010) was an American lawyer who unsuccessfully challenged the constitutionality of displaying the Ten Commandments on the grounds of the Texas Capitol under the Establishment Clause of the U.S. Constitution. Van Orden v. Perry, 125 S. Ct. 2854 (2005).
Van Orden is lesser known for In Re Van Orden, 559 S.W.2d 805, Tex. Crim. App., (1977) in which he was punished as an attorney for contempt by the highest criminal court in Texas.