2026 U.S. Senate election in New Hampshire
Open 2026 U.S. Senate race in New Hampshire for the seat held by retiring Sen. Jeanne Shaheen. The contest is drawing attention because New Hampshire is a competitive statewide battleground, with Democrats and Republicans testing different paths to the seat through the general election and the Sept. 8 primary.
Candidates
Chris Pappas is the Democratic U.S. representative for New Hampshire's 1st Congressional District and a candidate for the open Senate seat in 2026. In April 2026, his campaign highlighted a child care cost plan as part of its broader tax-and-costs message.
Scott Brown is a former U.S. senator from Massachusetts and the Republican nominee in New Hampshire's 2014 Senate race. In the 2026 cycle, he is running for the open New Hampshire Senate seat and was trailing John E. Sununu in the Republican primary polling cited in January 2026.
John E. Sununu is a former Republican U.S. senator from New Hampshire who previously served in the U.S. House and is running again for the Senate in 2026. He is part of New Hampshire's Sununu political family and is campaigning on a message centered on affordability, fiscal restraint, and independent leadership.
Tejasinha Sivalingam is a Republican candidate for U.S. Senate in New Hampshire. Public records show he previously ran for the same seat and has also been active in New Hampshire issue surveys and candidate questionnaires.
Karishma Manzur is a scientist and Democratic candidate in the 2026 New Hampshire Senate race. In the January 2026 UNH Survey Center poll, she trailed Chris Pappas by a wide margin in the Democratic primary testing.
Jared Sullivan is a Democratic member of the New Hampshire House of Representatives from the Grafton 2 district and is running for U.S. Senate in 2026. He has said his campaign is focused on restoring trust in government, addressing housing affordability, and pushing for democratic reforms such as campaign finance changes and ranked-choice voting.
Polling
Data Analysis Information
Data compiled from public sources and analyzed using AI. Last updated 5/15/2026. Visit candidate websites for the most current information.