Alaska state elections in 2020 were held on Tuesday, November 3, 2020. Aside from its party-run Democratic presidential primary held on April 10 (not including the Republican Party presidential primary which was cancelled by the state party), its primary elections were held on August 18, 2020.

In addition to the U.S. presidential race, Alaska voters elected the Class II U.S. Senator from Alaska, its at-large seat to the House of Representatives, 1 of 5 seats on the Alaska Supreme Court, 1 of 3 seats on the Alaska Court of Appeals, all of the seats of the Alaska House of Representatives, and 11 of 20 seats in the Alaska Senate. There were also two ballot measures which were voted on.

To vote by mail, registered Alaska voters had to request a ballot by October 24, 2020.

Alaska has 3 electoral votes in the Electoral College.

Incumbent Susan M. Carney was retained for a 10-year term in the state Supreme Court. She was appointed by Governor Bill Walker in 2016.

Incumbent Tracey Wollenberg was retained for her seat in the state Court of Appeals. She was appointed by Bill Walker in 2017.

All 40 seats of the Alaska House of Representatives and 11 of 20 seats of the Alaska Senate were up for election. The outcome of this election could affect partisan balance during post-census congressional redistricting.

Before the election the composition of the Alaska Senate was: