The 1928 Missouri State Auditor election was held on 6 November 1928 in order to elect the state auditor of Missouri. Republican nominee and incumbent state auditor Lorenzo Dow Thompson defeated Democratic nominee Forrest Smith, Socialist nominee Meyer Weintraub and Socialist Labor nominee Joseph W. Molineux.
General election.
On election day, 6 November 1928, Republican nominee Lorenzo Dow Thompson won re-election by a margin of 84,526 votes against his foremost opponent Democratic nominee Forrest Smith, thereby retaining Republican control over the office of state auditor. Thompson was sworn in for his second term on 14 January 1929.
Results.
! 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.
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