2006 Arizona Senate election
The 2006 Arizona Senate election was held on November 7, 2006. 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 12, 2006.
Prior to the elections, the Republicans held a majority of 18 seats over the Democrats' 12 seats.
Following the election, Republicans maintained control of the chamber with 17 Republicans to 13 Democrats, a net gain of one seat for Democrats.
The newly elected senators served in the 48th Arizona State Legislature.
Retiring Incumbents
Democrats
- District 14: Bill Brotherton
- District 16: Linda Aguirre
- District 17: Ed Ableser
- District 24: Robert Cannell
Republicans
- District 1: Ken Bennett
- District 6: Dean Martin
Incumbent Defeated in Primary Election
Republican
- District 26: Toni Hellon