The SD27 special election was precipitated by the resignation of State Sen. Bryce Marlatt after he was charged with felony sexual battery. Republican candidates for the seat are as follows (in alphabetical order, with links to their website if available):

• Army veteran Jeff Hall (archived link)
• OKGOP National Committeewoman Carolyn McLarty
• Michael Medill
• State Rep. Casey Murdock
• Army and Marines veteran Tommy Nicholson
• Educator Travis Templin (formerly/https://www.travistemplin.com/)

The victor of the winner-take-all GOP primary will face Democrat Amber Jensen in the February 13th general election.