The 1990 Missouri State Auditor election was held on 6 November 1990 in order to elect the state auditor of Missouri. Republican nominee and incumbent state auditor Margaret B. Kelly defeated Democratic nominee Connie B. Hendren.
General election.
On election day, 6 November 1990, Republican nominee Margaret B. Kelly won re-election by a margin of 161,840 votes against her opponent Democratic nominee Connie B. Hendren, thereby retaining Republican control over the office of state auditor. Kelly was sworn in for her second term on 14 January 1991.
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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