1970 Arizona Senate election

The 1970 Arizona Senate election was held on November 3, 1970. Voters elected all 30 members of the Arizona Senate to serve two-year terms. The 1970 election ushered in the restructuring of the Arizona Legislature to its current format. There are 30 electoral districts across the state, each district electing a single state senator and two state representatives.

Primary elections were held on September 8, 1970.

Prior to the elections, the Republicans held a majority of 17 seats over the 13 seats held by Democrats.

Following the election, Republicans maintained control of the chamber and expanded their majority to 18 Republicans to 12 Democrats, a net gain of one seat for Republicans.

The newly elected senators served in the 30th Arizona State Legislature.

Democrats

 * 1) District 3: Frank L. Crosby

Republicans

 * 1) District 7-E: Kenneth C. Cardella
 * 2) District 8-A: James F. Holley
 * 3) District 8-L: Christopher T. "Chris" Johnson
 * 4) District 8-M: Terry Jones
 * 5) District 8-O: Dan Halacy

Democrats

 * 1) District 3: William "Bill" Huso
 * 2) District 8: James A. "Jim" Elliott

Republican

 * 1) District 19: Bob Wilcox
 * 2) District 23: Somers White
 * 3) District 25: Mike Farren
 * 4) District 30: William S. (Bill) Porter