2018 Wyoming elections

A general election was held in the U.S. state of Wyoming on November 6, 2018. All of Wyoming's executive offices were up for election, as well as a United States Senate seat and Wyoming's at-large seat in the United States House of Representatives. Primary elections were held on August 21, 2018.

Governor
Incumbent Republican Governor Matt Mead was term-limited and could not run for a third term. Republican State Treasurer Mark Gordon defeated attorney Harriet Hageman, businessmen Bill Dahlin, Foster Friess, Sam Galeotos, and physician Taylor Haynes.

Former Democratic Minority Leader of the Wyoming House of Representatives Mary Throne ran for the Democratic nomination with minimal opposition.

Secretary of State
Ed Murray, who had first been elected in 2014, intended to run for governor, but resigned February 9, 2018 following claims of sexual assault. Governor Matt Mead appointed former Speaker of the Wyoming House of Representatives Edward Buchanan to fill the remainder of Murray's term.

Candidates

 * Edward Buchanan, incumbent Secretary of State of Wyoming and former Speaker of the Wyoming House of Representatives

Withdrew

 * Leland Christensen, State Senator and candidate for the U.S. House of Representatives in 2016 (running for State Treasurer)

Candidates

 * James W. Byrd, state representative

State Treasurer
Incumbent Republican State Treasurer Mark Gordon declined to run for a third full term and instead ran successfully for Governor of Wyoming.

Candidates

 * Leland Christensen, State Senator and candidate for the U.S. House of Representatives in 2016
 * Curt Meier, state senator
 * Ron Redo, candidate for State Treasurer in 2014

Candidates
No candidate filed to run; however, Chris Lowry qualified for the general election by receiving enough sufficient write-in votes.

State Auditor
Incumbent Republican State Auditor Cynthia Cloud declined to run for a third term.

Candidates

 * Kristi Racines, certified public accountant
 * Nathan Winters, state representative

Candidates

 * Jeff Dockter, Wyoming Department of Enterprise Technology Services supervisor

Superintendent of Public Instruction
Incumbent Republican Superintendent Jillian Balow ran for a second term.

Candidates

 * Jillian Balow, incumbent Superintendent of Public Instruction

United States Senate
Incumbent Republican Senator John Barrasso ran for a third term.

Businessman and nominee for the U.S. House of Representatives in 2006 and 2008 Gary Trauner ran for the Democratic nomination.

Businessman Dave Dodson initially ran as an independent, but later ran in the Republican primary and was defeated.

United States House of Representatives
Incumbent Republican U.S. Representative Liz Cheney, who had represented the state in the United States House of Representatives since 2017, successfully ran for reelection. She defeated Rod Miller, a former federal land planning coordinator, and Blake Stanley for the Republican nomination.

Oil geologist Greg Hunter defeated attorney Travis Helm for the Democratic nomination.

Wyoming Senate
Of the 30 seats in the Wyoming Senate, 15 were up for election in 2018.

Wyoming House of Representatives
All 60 seats in the Wyoming House of Representatives were up for election in 2018.