The 1936 United States Senate election in New Hampshire took place on November 3, 1936. Incumbent RepublicanSenatorHenry W. Keyes did not run for re-election.
Governor of New Hampshire Styles Bridges won the open election to succeed him, defeating former Senator George H. Moses in the Republican primary and Democratic U.S. Representative William N. Rogers in the general election. Bridges would win four more elections to the seat; this election was the closest of his career.