1940 United States Senate election in Massachusetts

Candidates

Democratic

• David I. Walsh, US Senator since 1926 and from 1919–1925. Governor of Massachusetts from 1914–1916.

  Republican

• Henry Parkman Jr., Corporation Counsel for the City of Boston. Former member of the Massachusetts Senate and Boston City Council.

  Prohibition

• George L. Thompson, Candidate for Governor of Massachusetts in 1938.

  Communist

• Philip Frankfeld

  Socialist

• George Lyman Paine, Episcopal priest. Son of philanthropist Robert Treat Paine.

  Socialist Labor

• Horace I. Hillis, Candidate for Massachusetts Auditor in 1938, Governor of Massachusetts in 1936, and Lieutenant Governor of Massachusetts in 1934.

  Results

General election