William Sprague, American businessman and politician, 27th Governor of Rhode Island (died 1915)

William Sprague IV was the 27th Governor of Rhode Island from 1860 to 1863, and U.S. Senator from 1863 to 1875. He participated in the First Battle of Bull Run during the American Civil War while he was a sitting Governor.

The governor of Rhode Island is the head of government of the U.S. state of Rhode Island and serves as commander-in-chief of the state's Army National Guard and Air National Guard. The current governor is Dan McKee, a member of the Democratic Party. In their capacity as commander of the national guard, the governor of Rhode Island also has the title of captain general. Rhode Island is one of the few states that currently does not have a governor's mansion or other official residence.