2018 Arizona Attorney General election
The 2018 Arizona Attorney General election took place on November 6, 2018, to elect the attorney general of Arizona. Incumbent Republican Mark Brnovich won re-election to a second term, defeating former Arizona Department of Health Services Director January Contreras. Primaries took place on August 28, 2018.
Brnovich won the Republican primary unopposed.
January Contreras, former director of Arizona Department of Health Services and senior advisor to former U.S. Homeland Security Secretary Janet Napolitano, won the Democratic primary unopposed.
Michael Kielsky, former Chair of the Arizona Libertarian Party, won the Libertarian nomination as a write-in candidate.
Debate
One debate was hosted by Arizona PBS on October 10.
| Dates | Brnovich | Contreras | Link |
| October 10, 2018 | Participant | Participant | – AZCentral |
Results
Brnovich won the general election by a 3.47% margin of victory.
Despite losing the state, Contreras won five of nine congressional districts.