The 1956 Michigan gubernatorial election was held on November 6, 1956. Incumbent Democrat G. Mennen Williams defeated Republican nominee Albert E. Cobo with 54.65% of the vote.
Primary election
Michigan held primary elections on August 7, 1956.
Democratic party
Incumbent governor G. Mennen Williams was renominated for a fifth consecutive term without opposition.
Candidates
- G. Mennen Williams, incumbent governor
Republican party
Mayor of Detroit Albert E. Cobo defeated Donald S. Leonard for the Republican nomination.
Candidates
- Albert E. Cobo, mayor of Detroit
- Donald S. Leonard, Republican nominee for governor in 1954