The 2016 Montana Secretary of State election was held on 8 November 2016 in order to elect the Secretary of State of Montana. Republican nominee and former member of the Montana Senate from the 27th district Corey Stapleton won the election against Democratic nominee and incumbent Auditor of Montana Monica Lindeen and Libertarian Roger Roots.
Democratic primary.
! 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
Republican primary.
! 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
General election.
On election day, 8 November 2016, Republican nominee Corey Stapleton was elected by a margin of 72,612 votes against his foremost opponent Democratic nominee Monica Lindeen, thereby gaining Republican control over the office of secretary of state. Stapleton was sworn in on 2 January 2017.
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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