William Darrah Kelley was an American politician from Philadelphia who served as a Republican member of the U.S. House of Representatives for Pennsylvania's 4th congressional district from 1861 to 1890.
- Occupation
- politician, lawyer, judge
- Position held
- United States representative
- Citizenship
- United States
- Born
- April 12, 1814
- Died
- January 9, 1890