Sununu is a Republican politician contesting New Hampshire’s 2026 U.S. Senate primary, a race he has previously entered after serving in Congress.
Voters in New Hampshire are set to nominate candidates for the U.S. Senate as well as other offices. Democrats are fielding Chris Pappas, while Republicans see John Sununu as their frontrunner. The race is part of a broader national contest that could influence control of the Senate.