| Election Name: | 1978 Arizona Senate election |
| Country: | Arizona |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 1976 Arizona Senate election |
| Previous Year: | 1976 |
| Election Date: | November 7, 1978 |
| Next Election: | 1980 Arizona Senate election |
| Next Year: | 1980 |
| Seats For Election: | All 30 seats of the Arizona Senate |
| Majority Seats: | 16 |
| Party1: | Arizona Republican Party |
| Seats Before1: | 14 |
| Seats After1: | 16 |
| Seat Change1: | 2 |
| Party2: | Arizona Democratic Party |
| Seats Before2: | 16 |
| Seats After2: | 14 |
| Seat Change2: | 2 |
| Senate President | |
| Before Election: | Ed C. Sawyer[1] |
| Before Party: | Arizona Democratic Party |
| After Election: | Leo Corbet[2] |
| After Party: | Arizona Republican Party |
The 1978 Arizona Senate election was held on November 7, 1978. 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, 1978.[3]
Prior to the elections, the Democrats held a majority of 16 seats over the Republicans' 14 seats.
Following the election, Republicans flipped control of the chamber and took a majority of 16 Republicans to 14 Democrats, a net gain of two seats for Republicans.[4]
The newly elected senators served in the 34th Arizona State Legislature.
| District | Incumbent | Party | Elected Senator | Outcome | |||
|---|---|---|---|---|---|---|---|
| Boyd Tenney | Boyd Tenney | Rep Hold | |||||
| Lewis J. McDonald | Dem | Tony Gabaldon | Dem Hold | ||||
| Arthur J. Hubbard, Sr. | Arthur J. Hubbard, Sr. | Dem Hold | |||||
| A.V. "Bill" Hardt | Dem | A.V. "Bill" Hardt | Dem Hold | ||||
| Jones Osborn | Dem | Jones Osborn | Dem Hold | ||||
| Polly Getzwiller | Dem | Polly Getzwiller | Dem Hold | ||||
| William L. Swink | Dem | William L. Swink | Dem Hold | ||||
| Ed Sawyer | Dem | Ed Sawyer | Dem Hold | ||||
| John J. Hutton | Dem | Jeffrey J. Hill | Rep Gain | ||||
| Tom Moore | Dem | Luis A. Gonzales | Dem Hold | ||||
| Frank J. Felix | Dem | Jaime P. Gutierrez | Dem Hold | ||||
| Sue Dye | Dem | John T. Mawhinney | Rep Gain | ||||
| Morris Farr | Morris Farr | Dem Hold | |||||
| Jim Kolbe | Jim Kolbe | Rep Hold | |||||
| S.H. "Hal" Runyan | S.H. "Hal" Runyan | Rep Hold | |||||
| Marcia Weeks | Wayne Stump | Rep Gain | |||||
| Anne Lindeman | Anne Lindeman | Rep Hold | |||||
| Leo Corbet | Leo Corbet | Rep Hold | |||||
| Ray Rottas | Ray Rottas | Rep Hold | |||||
| Lela Alston | Lela Alston | Dem Hold | |||||
| Timothy D. Hayes | Richard Kimball | Dem Gain | |||||
| Manuel "Lito" Peña | Manuel "Lito" Peña | Dem Hold | |||||
| Alfredo Gutierrez | Alfredo Gutierrez | Dem Hold | |||||
| John C. Pritzlaff Jr. | John C. Pritzlaff Jr. | Rep Hold | |||||
| Trudy Camping | Trudy Camping | Rep Hold | |||||
| Rod J. McMullin | Rod J. McMullin | Rep Hold | |||||
| James A. (Jim) Mack | James A. (Jim) Mack | Rep Hold | |||||
| Robert B. Usdane | Robert B. Usdane | Rep Hold | |||||
| Jack J. Taylor | Jack J. Taylor | Rep Hold | |||||
| Stan Turley | Stan Turley | Rep Hold | |||||
| align=center | District 1 • District 2 • District 3 • District 4 • District 5 • District 6 • District 7 • District 8 • District 9 • District 10 • District 11 • District 12 • District 13 • District 14 • District 15 • District 16 • District 17 • District 18 • District 19 • District 20 • District 21 • District 22 • District 23 • District 24 • District 25 • District 26 • District 27 • District 28 • District 29 • District 30 |