Sherman Willard Tribbitt was an American merchant and politician from Odessa in New Castle County, Delaware. He was a World War II veteran and a member of the Democratic Party who served in the Delaware General Assembly, as the 17th lieutenant governor of Delaware, and as the 67th governor of Delaware.

The lieutenant governor of Delaware is the second ranking executive officer of the U.S. state of Delaware. Lieutenant governors are elected for a term of four years in the same general election as the U.S. president and take office the following January.