1839 Boston mayoral election

The 1839 Boston mayoral election saw the election of Whig Party nominee Jonathan Chapman. It was held on December 9, 1839. Whig Party incumbent Samuel Atkins Eliot was not a nominee for reelection.

Campaign
Chapman was the Whig Party nominee. Bradford Sumner was the Democratic Party nominee. In the coinciding municipal elections, all Whig nominees for Boston Board of Aldermen won sizable victories.