The 1926 United States Senate elections were elections for the United States Senate that occurred in the middle of Republican President Calvin Coolidge's second term. The 32 seats of Class 3 were contested in regular elections, and special elections were held to fill vacancies. The Republican majority was reduced by seven seats.

Harry Bartow Hawes was an American lawyer, conservationist, and politician who served as a Democratic member of the U.S. House and Senate from Missouri. Hawes is best known for the Hare–Hawes–Cutting Act, the first U.S. law granting independence to the Philippines, and for earlier work assisting the Republic of Hawaii become a U.S. territory.