Official portrait of John Thune
U.S. Senate

John Thune

U.S. Senator from South Dakota

Party
Republican
In office since
January 4, 2005
Current term ends
January 3, 2029
Next election
November 2028
2026 election

This seat is next on the ballot in November 2028.

Committee assignments4
  • Senate Select Committee on IntelligenceEx Officio
  • Senate Committee on Agriculture, Nutrition, and Forestry
    • Commodities, Derivatives, Risk Management, and Trade
    • Conservation, Forestry, Natural Resources, and Biotechnology
    • Livestock, Dairy, Poultry, and Food Safety
  • Senate Committee on Commerce, Science, and Transportation
    • Aviation, Space, and Innovation
    • Telecommunications and Media
    • Consumer Protection, Technology, and Data Privacy
    • Surface Transportation, Freight, Pipelines, and Safety
  • Senate Committee on Finance
    • Health Care
    • Taxation and IRS Oversight
    • International Trade, Customs, and Global Competitiveness
Earlier in Congress
  • U.S. Representative for South Dakota (at large) 1997–2003
Contact
Washington office
511 Dirksen Senate Office Building Washington DC 20510

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Sources. Office, committee and contact records from the public congress-legislators dataset; portrait from the Government Publishing Office; 2026 fundraising totals from the Federal Election Commission. Updated September 24, 2026.

More on Thune: Congress.gov · FEC filings · Ballotpedia · Wikipedia · GovTrack