Mark Brnovich is Endorsed by:
- Bob Corbin, former AZ Attorney General
- Art Hamilton, former AZ House Democratic Leader
- Arizona Police Association
- Phoenix Law Enforcement Association
- Arizona Fraternal Order of Police
- Professional Fire Fighters of Arizona
- Phoenix Chamber of Commerce
- The Arizona Chamber of Commerce and Industry
- Arizona REALTORS
- Arizona Right to Life
- Pinal County Sheriff Mark Lamb
- Yavapai County Sheriff Scott Mascher
- Graham County Sheriff P.J. Allred
- Yuma County Sheriff Leon Wilmot
- Pima County Sheriff Mark Napier
- Gila County Sheriff Adam Shepherd
- National Federation of Independent Businesses Arizona
- The Daily Courier