The 1916 Missouri Secretary of State election was held on 7 November 1916 in order to elect the secretary of state of Missouri. Democratic nominee John Leo Sullivan defeated Republican nominee William C. Askin, Socialist nominee Otto Vierling, Prohibition nominee William M. Godwin and Socialist Labor nominee William Wesley Cox.
General election.
On election day, 7 November 1916, Democratic nominee John Leo Sullivan won the election by a margin of 13,446 votes against his foremost opponent Republican nominee William C. Askin, thereby retaining Democratic control over the office of secretary of state. Sullivan was sworn in as the 23rd secretary of state of Missouri on 8 January 1917.
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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