William Paul Dillingham was an American attorney and politician from the state of Vermont. A Republican and the son of Congressman and Governor Paul Dillingham, William P. Dillingham served as governor from 1888 to 1890 and United States Senator from 1900 until his death.

Paul Dillingham Jr. was an American lawyer and politician. He served as a U.S. Representative from Vermont, the 24th lieutenant governor of Vermont from 1862 to 1865, and the 29th governor of Vermont from 1865 to 1867.