John Sammon McKiernan | |
|---|---|
 | |
| 62nd Governor of Rhode Island | |
| In office December 19, 1950 – January 2, 1951 | |
| Lieutenant | Vacant |
| Preceded by | John O. Pastore |
| Succeeded by | Dennis J. Roberts |
| 55th Lieutenant Governor of Rhode Island | |
| In office October 6, 1945 – January 1957 | |
| Governor | John O. Pastore Dennis J. Roberts |
| Preceded by | John O. Pastore None – himself before vacant |
| Succeeded by | Vacant Armand H. Cote |
| Personal details | |
| Born | October 15, 1911 Providence, Rhode Island |
| Died | March 9, 1997 (aged 85) East Greenwich, Rhode Island |
| Political party | Democratic |
| Alma mater | University of Notre Dame (BA) Boston University (LLB) |
| Military service | |
| Allegiance |  United States |
| Branch/service |  United States Army |
| Years of service | 1943–1944 |
| Battles/wars | World War II |
John Sammon McKiernan (October 15, 1911 – March 9, 1997) was an American politician who served as the Lieutenant Governor of Rhode Island from 1947 to 1950 and 1951–1956 and briefly the 62nd Governor of Rhode Island (1950–1951).