2018 Arizona Superintendent of Public Instruction election

The 2018 Arizona Superintendent of Public Instruction election took place on November 6, 2018, to elect the Arizona Superintendent of Public Instruction, concurrently with the election of Arizona's Class I U.S. Senate seat, as well as other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections.

Nominee

 * Frank Riggs, former U.S. representative for CA's 1st congressional district (1995–1999), candidate for US Senate for California in 1998, and candidate for Arizona Governor in 2006 and 2014

Eliminated in primary

 * Tracy Livingston, board member of the Maricopa County Community College District
 * Robert Branch, Grand Canyon University professor
 * Jonathan Gelbart, charter school director
 * Diane Douglas, incumbent superintendent

Nominee

 * Kathy Hoffman, speech-language pathologist at Peoria Unified School District

Eliminated in primary

 * David Schapira, former state senator (2011–2013)