Alonzo B. Cook | |
|---|---|
 | |
| Massachusetts Auditor | |
| In office 1915–1931 | |
| Governor | David I. Walsh Samuel W. McCall Calvin Coolidge Channing H. Cox Alvan T. Fuller Frank G. Allen |
| Preceded by | Frank H. Pope |
| Succeeded by | Francis X. Hurley |
| Personal details | |
| Born | July 31, 1866 Boston, Massachusetts, U.S. |
| Died | December 22, 1956 (aged 90) Boston, Massachusetts, U.S. |
| Political party | Republican Economy |
| Alma mater | Sherwin Grammar, Roxbury High School, University Law School |
Alonzo B. Cook (July 31, 1866 – December 22, 1956) was an American politician who served as Massachusetts Auditor from 1915 to 1931 and was a candidate for Mayor of Boston in 1925 and in 1937; and United States Senator in 1936. As of 2020, he was the last Massachusetts Auditor who was a Republican.