| Election Name: | 1958 Alaska Senate election |
| Country: | Alaska |
| Type: | legislative |
| Ongoing: | no |
| Next Election: | 1960 Alaska Senate election |
| Next Year: | 1960 |
| Seats For Election: | All 20 seats in the Alaska Senate |
| Majority Seats: | 11 |
| Election Date: | November 26, 1958 |
| Elected Members: | elected members |
| Party1: | Alaska Democratic Party |
| Leader1: | Bill Beltz |
| Leaders Seat1: | N–Unalakleet |
| Seats1: | 18 |
| Popular Vote1: | 93,526 |
| Percentage1: | 65.87% |
| Party2: | Alaska Republican Party |
| Leader2: | — |
| Leaders Seat2: | — |
| Seats2: | 2 |
| Popular Vote2: | 43,273 |
| Percentage2: | 30.48% |
| Map Size: | 320px |
| Alaska Senate President | |
| Before Election: | Office established |
| After Election: | Bill Beltz |
| After Party: | Alaska Democratic Party |
The 1958 Alaska Senate election was held on November 26, 1958, in Alaska's last days as a territory to elect members of the 1st Alaska State Legislature. All 20 seats of the Senate were up for election, with 18 seats being won by Democrats and two by Republicans.
Bill Beltz from Unalakleet was elected Senate President on January 26, 1959, three weeks after Alaska became the 49th state.[1]
Only candidate's last names are listed on the official general election returns.
District A was an at-large district covering all of the southeastern districts, those being state senate districts B-D and representative districts 1-6. It elected 2 members of the Senate.
District B covered state representative districts 1-2. The final results returned a tie, so the Democratic state senate resolved the tie by seating Democratic candidate Bo Smith.
District C covered state representative districts 3-4.
District D covered state representative districts 5-6.
District E was an at-large district covering all of the southcentral districts, those being state senate districts F-I and representative districts 7-14. It elected 2 members of the Senate.
District F covered state representative districts 7-8.
District G covered state representative districts 9-10.
District H covered state representative districts 11-12.
District I covered state representative districts 13-14.
District J was an at-large district covering all of the central districts, those being state senate districts K-M and representative districts 15-20. It elected 2 members of the Senate.
District K covered state representative districts 15-16.
District L covered state representative districts 17-18.
District M covered state representative districts 19-20.
District N was an at-large district covering all of the northwestern districts, those being state senate districts O-P and representative districts 21-24. It elected 2 members of the Senate.
District O covered state representative districts 21-22.
District P covered state representative districts 23-24.