The 1856 Missouri lieutenant gubernatorial election was held on 4 August 1856 in order to elect the lieutenant governor of Missouri. Democratic nominee and former member of the Missouri Senate Hancock Lee Jackson won the election as he ran unopposed. The exact results of the election are unknown.
General election.
On election day, 4 August 1856, Democratic nominee Hancock Lee Jackson won the election as he ran unopposed, thereby retaining Democratic control over the office of lieutenant governor. Jackson was sworn in as the 10th lieutenant governor of Missouri on 5 January 1857.
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.
 ;templatestyles src="Reflist/styles.css" / ;