Mark Brnovich is an American attorney and politician who was the 26th Attorney General of Arizona from 2015 to 2023. A member of the Republican Party, he was an unsuccessful candidate for its nomination in the 2022 U.S. Senate election in Arizona. He is married to Susan Brnovich, a United States district judge of the United States District Court for the District of Arizona.

The Arizona attorney general is the chief legal officer of the State of Arizona, in the United States. This state officer is the head of the Arizona Department of Law, more commonly known as the Arizona Attorney General's Office. The state attorney general is a constitutionally-established officer, elected by the people of the state to a four-year term. The state attorney general is second in the line of succession to the office of Governor of Arizona.