Thomas William Fox (July 7, 1951 – March 9, 2006) was an American Quaker peace activist, affiliated with Christian Peacemaker Teams (CPT) in Iraq.

From Clear Brook, Virginia, Fox graduated from the Peabody College of Vanderbilt University, and was a member of the Phi Mu Alpha Sinfonia musical fraternity.

Fox served in many positions in Baltimore Yearly Meeting, including a stint as Youth Programs Director, where he devoted much of his time to personally working with teenagers and young adults in the Baltimore Yearly Meeting community; he served as a Friendly Adult Presence, during the majority of the BYM Young Friends program's gatherings during the first half of the 2000s (decade) and the later 1990s.

The captors threatened to kill all hostages unless the United States freed all Iraqi prisoners held in the US and Iraq by December 8, 2005.

[4] On March 10, 2006, the U.S. State Department announced that Fox's body had been found on a garbage heap in Baghdad, shot through the head and chest.