2018 Wyoming gubernatorial election

Republican primary

Candidates

Nominated

• Mark Gordon, Wyoming State Treasurer

  Declared

• Bill Dahlin, businessman
• Foster Friess, businessman and activist
• Sam Galeotos, businessman
• Harriet Hageman, attorney
• Taylor Haynes, physician, write-in candidate for governor in 2010 and candidate for governor in 2014

  Withdrew

• Rex Rammell, veterinarian and perennial candidate

  Endorsements

Polling

Results

Democratic primary

Candidates

Nominated

• Mary Throne, former Minority Leader of the Wyoming House of Representatives

  Declared

• Ken Casner, candidate for governor in 2002
• Michael Allen Green, nominee for the U.S. House of Representatives in 2000
• Rex Wilde, candidate for governor in 2010

  Declined

• James W. Byrd, state representative
• Ryan Greene, nominee for the U.S. House of Representatives in 2016
• Chris Rothfuss, Minority Leader of the Wyoming Senate and nominee for U.S. Senate in 2008
• Milward Simpson, director of the Wyoming Nature Conservancy
• Gary Trauner, businessman and nominee for U.S. House of Representatives in 2006 and 2008

  Endorsements

Results

Independents and third parties

Candidates

Declared

• Rex Rammell, veterinarian and perennial candidate

  General election

Debates

• , October 6, 2018
• , October 18, 2018

  Predictions

Polling

Results