The 1820 Missouri lieutenant gubernatorial election was held on 28 August 1820 in order to elect the first lieutenant governor of Missouri upon Missouri acquiring statehood on 10 August 1821. Democratic-Republican nominee William H. Ashley won the election as he ran unopposed. The exact results of the election are unknown.
General election.
On election day, 28 August 1820, Democratic-Republican nominee William H. Ashley won the election as he ran unopposed, thereby gaining Democratic-Republican control over the office of lieutenant governor. Ashley was sworn in as the 1st lieutenant governor of Missouri on 18 September 1820.
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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