The 1900 Missouri lieutenant gubernatorial election was held on 6 November 1900 in order to elect the lieutenant governor of Missouri. Democratic nominee John Adams Lee defeated Republican nominee Ethelbert F. Allen, Social Democratic nominee Leon Greenbaum, Prohibition nominee Simpson Ely, People's Progressive nominee Abram Neff and Socialist Labor nominee J. F. Graber.
General election.
On election day, 6 November 1900, Democratic nominee John Adams Lee won the election by a margin of 38,153 votes against his foremost opponent Republican nominee Ethelbert F. Allen, thereby retaining Democratic control over the office of lieutenant governor. Lee was sworn in as the 24th lieutenant governor of Missouri on 14 January 1901.
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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