Kyrsten Lea Sinema is an American politician and former social worker serving as the senior United States senator from Arizona, a seat she has held since 2019. A former member of the Democratic Party, Sinema became an independent in December 2022.

The 2024 United States Senate election in Arizona will be held on November 5, 2024, to elect a member of the United States Senate to represent the state of Arizona. Primary elections will take place on July 30, 2024.