The 1840 Connecticut lieutenant gubernatorial election was held on April 1, 1840, to elect the lieutenant governor of Connecticut. Incumbent Whig lieutenant governor Charles Hawley won re-election against Democratic nominee and former member of the Connecticut Senate John Stewart in a rematch of the previous election.

General election On election day, April 1, 1840, incumbent Whig lieutenant governor Charles Hawley won re-election with 53.10% of the vote, thereby retaining Whig control over the office of lieutenant governor. Hawley was sworn in for his third term on May 6, 1840.

Results

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