The 1964 Indiana gubernatorial election was held on November 3, 1964.
Incumbent Democratic Governor Matthew E. Welsh was term-limited.
Democratic nominee Roger D. Branigin defeated Republican nominee Richard O. Ristine with 56.18% of the vote. This would be the last time until 1988 in which the Democrats won the governorship.
As of 2023[ [update]], this marks the most recent time that Democrats won the races for Governor and for President concurrently.
Nominations.
Until 1976, all nominations for statewide office in Indiana were made by state conventions.
Democratic nomination.
Results.
The Democratic convention was held on June 12, 1964.
! scope="col" colspan="2" style="width: 15em" |Party
! scope="col" style="width: 17em" |Candidate
! scope="col" style="width: 5em" |Votes
! scope="col" style="width: 3.5em" |%
! colspan="3" style="text-align:right;" | Total votes
Republican primary.
Results.
The Republican convention was held on June 9, 1964.
! scope="col" colspan="2" style="width: 15em" |Party
! scope="col" style="width: 17em" |Candidate
! scope="col" style="width: 5em" |Votes
! scope="col" style="width: 3.5em" |%
! colspan="3" style="text-align:right;" | Total votes
General election.
Results.
! scope="col" colspan="2" style="width: 130px"|Party
! scope="col" style="width: 17em"|Candidate
! scope="col" style="width: 5em"|Votes
! scope="col" style="width: 3.5em"|%
! scope="col" style="width: 3.5em"| ;templatestyles src="Template:Tooltip/styles.css" / ;±%
! colspan="3" style="text-align: right; margin-right: 0.5em" | Majority
! colspan="3" style="text-align: right; margin-right: 0.5em" scope=row | Turnout
! style="text-align:right;" | Swing
References.
 ;templatestyles src="Reflist/styles.css" / ;