The 2023 Snohomish County Executive election took place on November 7, 2023, to elect the county executive of Snohomish County, Washington. Incumbent Democratic County Executive Dave Somers ran for re-election to a third term. Somers was challenged by Republican Bob Hagglund, a data scientist, and Democrat Christopher Garnett, a small businessman.
In the primary election, Somers placed first by a wide margin, winning 52 percent of the vote. Hagglund placed second with 37 percent, and advanced to the general election against Somers. Somers defeated Hagglund in a landslide in the general election, winning his third term with 60 percent of the vote.