2026 United States Senate election in South Dakota

2026 United States Senate election in South Dakota

November 3, 2026
 
Party Republican Democratic

Incumbent U.S. senator

Mike Rounds
Republican



The 2026 United States Senate election in South Dakota will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of South Dakota. Two-term Republican Mike Rounds was re-elected in 2020 with 65.8% of the vote and has not stated whether he will run for re-election.