Timothy Mellon is an American heir to the Mellon banking fortune and a major political donor. In 2025, reporting identified him as the previously anonymous billionaire who pledged a $130 million “gift” to the U.S. Department of Defense to help cover military pay during a federal government shutdown, a move that raised questions under the Antideficiency Act.

A 4 April 1998 flight from Richmond, Virginia, to King George, Virginia, lists Paul Mellon (Timothy’s father).