- Source: 1990 Arizona Senate election
- Pemilihan umum Presiden Amerika Serikat 2016
- Kamala Harris
- John McCain
- California
- Pemilihan umum Dewan Perwakilan Rakyat Amerika Serikat 2010
- Bernie Sanders
- Jon Huntsman Jr.
- Daftar dukungan kampanye presiden Donald Trump 2024
- Kota New York
- Amy Klobuchar
- 1990 Arizona Senate election
- 2024 United States Senate election in Arizona
- 2024 Arizona Senate election
- 2018 United States Senate election in Arizona
- 2012 United States Senate election in Arizona
- 2022 United States Senate election in Arizona
- 2022 Arizona Senate election
- 2020 United States Senate special election in Arizona
- 2020 Arizona Senate election
- 2016 Arizona Senate election
The 1990 Arizona Senate election was held on November 6, 1990. Voters elected members of the Arizona Senate in all 30 of the state's legislative districts to serve a two-year term. Primary elections were held on September 11, 1990.
Prior to the elections, the Republicans held a majority of 17 seats over the Democrats' 13 seats.
Following the election, Democrats flipped control of the chamber and took a majority of 17 Democrats to 13 Republicans, a net gain of four seats for Democrats.
The newly elected senators served in the 40th Arizona State Legislature.
Retiring Incumbents
= Democrats
=District 2: Tony Gabaldon
= Republicans
=District 12: John T. Mawhinney
District 14: William J. "Bill" DeLong
District 24: Pete Corpstein
District 28: Robert B. Usdane
Incumbents Defeated in Primary Elections
= Republicans
=District 1: John Hays
District 21: Jerry Gillespie
Incumbents Defeated in General Elections
= Democrats
=District 5: Jones Osborn
= Republicans
=District 9: Jeffrey J. Hill
District 16: Wayne Stump
District 18: Leo Corbet
District 25: Jacque Steiner