Robert Whitehill (July 21, 1738 – April 8, 1813) was an American politician who was elected to five terms as a member of the U.S. House of Representatives from Pennsylvania, serving from 1805 until his death in 1813.
He was a member of the Pennsylvania State Constitutional Convention in July 1776 that approved the Declaration of Independence.
Whitehill was elected to the Ninth Congress to fill the vacancy caused by the death of John A. Hanna.
He was interred in Silver Spring Presbyterian Church Cemetery in Hampden Township, near Camp Hill, Pennsylvania.
This dissent included a number of proposed amendments to the US Constitution and is thought to have been used by James Madison when he drafted the United States Bill of Rights.