1866 Rhode Island gubernatorial election

The 1866 Rhode Island gubernatorial election was held on 4 April 1866 in order to elect the Governor of Rhode Island. Republican nominee and former Union Army Major General Ambrose Burnside defeated Democratic nominee Lyman Pierce.

General election
On election day, 4 April 1866, Republican nominee Ambrose Burnside won the election by a margin of 5,381 votes against his opponent Democratic nominee Lyman Pierce, thereby retaining Republican control over the office of Governor. Burnside was sworn in as the 30th Governor of Rhode Island on 1 May 1866.