The 1799 Massachusetts gubernatorial election was held on April 1.
Incumbent Governor Increase Sumner was elected to a third term in office against minimal opposition. Sumner won the election on his deathbed and was unable to fulfill the duties of office. To avoid provoking a constitutional crisis, he took the office in early June before dying on June 7, 1799.
General election
Candidates
William Heath, former State Senator and major general in the Contintental Army (Republican)