The 1931 Baltimore mayoral election was held on Tuesday May 5. saw the return of Howard W. Jackson to the mayoralty for a second nonconsecutive term.
General election.
The general election was held May 5.
! 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
References.
 ;templatestyles src="Reflist/styles.css" / ;