A Massachusetts general election was held on November 8, 1966 in the Commonwealth of Massachusetts.
The election included:
Democratic and Republican candidates were selected in party primaries held on September 13, 1966.
This was the first election in which the Term of office for Governor, Lieutenant Governor, Attorney General, Secretary of the Commonwealth, Treasurer, and Auditor was extended from two to four years.
United States Senator
Republican Edward Brooke was elected over Democrat Endicott Peabody, Socialist Labor candidate Lawrence Gilfedder, and Prohibition candidate Mark R. Shaw.
Republican John A. Volpe was re-elected over Democrat Edward J. McCormack, Jr., Socialist Labor candidate Henning A. Blomen, and Prohibition candidate John C. Hedges.
Republican Francis W. Sargent was elected Lieutenant Governor over Democrat Joseph E. McGuire, Socialist Labor candidate Francis A. Votano, and Prohibition candidate Grace F. Luder.
Incumbent Attorney General Edward Brooke did not run for re-election.
Francis X. Bellotti defeated Foster Furcolo and Robert DeGiacomo in the Democratic Primary.
In the general election, Elliot Richardson defeated Bellotti and Socialist Workers candidate Edgar E. Gaudet.
Secretary of the Commonwealth
Incumbent Secretary of the Commonwealth Kevin White, defeated Republican Raymond Trudel, Socialist Labor candidate Willy N. Hogseth, and Prohibition candidate F. Oliver Drake in the general election.
Treasurer and Receiver-General
Incumbent Treasurer and Receiver-General Robert Q. Crane defeated Republican Joseph Fernandes, Socialist Labor candidate Domenico DiGirolamo, and Prohibition candidate Julia Kohler in the general election.
Incumbent Auditor Thaddeus M. Buczko defeated James H. Kelly in the Democratic primary.
In the general election, Buczko defeated Republican John J. Buckley, Socialist Labor candidate August Johnson, and Prohibition candidate Roger I. Williams in the general election.