Incumbent: Jeanne Shaheen · Democrat
Chris Pappas (Democratic Party) is a member of the U.S. House, representing New Hampshire's 1st Congressional District. He assumed office on January 3, 2019. His current term ends on January 3, 2027. Pappas (Democratic Party) is running for election to the U.S. Senate to represent New Hampshire. He declared candidacy for the Democratic primary scheduled on September 8, 2026.
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Scott Brown (Republican Party) is running for election to the U.S. Senate to represent New Hampshire. He declared candidacy for the Republican primary scheduled on September 8, 2026. Brown (Republican Party) was a member of the U.S. Senate from Massachusetts. He assumed office in 2010. He left office on January 3, 2013.
Jeanne Shaheen (Democratic Party) is a member of the U.S. Senate from New Hampshire. She assumed office on January 3, 2009. Her current term ends on January 3, 2027. Shaheen (Democratic Party) ran for re-election to the U.S. Senate to represent New Hampshire. She won in the general election on November 3, 2020. On March 12, 2025, Shaheen announced she would not seek re-election to the U.S. Senate. Prior to her election to the Senate, Shaheen served as the governor of New Hampshire from 1997 to 2003. She is the first woman to be elected both a governor and a U.S. senator. Before being elected governor, Shaheen served in the New Hampshire State Senate from 1990 to 1996.
Karishma Manzur (Democratic Party) is running for election to the U.S. Senate to represent New Hampshire. She declared candidacy for the Democratic primary scheduled on September 8, 2026.
Jared Sullivan (Democratic Party) is a member of the New Hampshire House of Representatives, representing Grafton 2. He assumed office on December 7, 2022. His current term ends on December 2, 2026. Sullivan (Democratic Party) ran for re-election to the New Hampshire House of Representatives to represent Grafton 2. He won in the general election on November 5, 2024.
Dan Innis (Republican Party) is a member of the New Hampshire State Senate, representing District 7. He assumed office on December 7, 2022. His current term ends on December 2, 2026. Innis (Republican Party) ran for election to the U.S. Senate to represent New Hampshire. He will not appear on the ballot for the Republican primary on September 8, 2026.
Chuck Morse (Republican Party) was a member of the New Hampshire State Senate, representing District 22. He assumed office in 2010. He left office on December 7, 2022. Morse (Republican Party) ran for election for Governor of New Hampshire. He lost in the Republican primary on September 10, 2024. Morse was sworn in as state Senate president on December 2, 2020.He served as state Senate minority leader from 2018 to 2020 and the Senate president from 2020 to 2022.
Tejasinha Sivalingam (Republican Party) is running for election to the U.S. Senate to represent New Hampshire. He declared candidacy for the Republican primary scheduled on September 8, 2026.
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Don Bolduc (Republican Party) ran for election to the U.S. Senate to represent New Hampshire. He lost in the general election on November 8, 2022. Bolduc, a retired Army general, alsoranin the Republican primary for U.S. Senate in 2020. He lost to Bryant Messner42.5% to 50.5%.
Bruce Fenton (Republican Party) ran for election to the U.S. Senate to represent New Hampshire. He lost in the Republican primary on September 13, 2022.
Edmond Laplante (Republican Party) ran for election to the U.S. Senate to represent New Hampshire. He lost in the Republican primary on September 13, 2022.
Dennis Lamare (Republican Party) is running for election to the U.S. Senate to represent New Hampshire. He declared candidacy for the Republican primary scheduled on September 8, 2026.
John Berman (Republican Party) ran for election to the U.S. Senate to represent Iowa. He will not appear on the ballot for the Republican primary on June 2, 2026.
Vikram Mansharamani (Republican Party) is running for election to the U.S. Senate to represent New Hampshire. He declared candidacy for the 2028 election.
