William Pitt Fessenden was a politician from Maine, United States. He was a Whig and member of the Fessenden political family. He served in the United States House of Representatives and Senate before becoming Secretary of the Treasury under President Abraham Lincoln during the American Civil War. Fessenden then re-entered the Senate, where he died in office in 1869.
- Occupation
- politician, lawyer
- Position held
- United States representative, United States Secretary of the Treasury, member of the Maine House of Representatives, United States senator
- Citizenship
- United States
- Born
- October 16, 1806