| Alton A. Lessard | |
| Office: | Chief Justice of the Maine Superior Court |
| Term Start: | August 24, 1965 |
| Term End: | August 2, 1974 |
| Office1: | United States Attorney for the District of Maine |
| President1: | John F. Kennedy Lyndon B. Johnson |
| Term Start1: | 1961 |
| Term End1: | 1965 |
| Predecessor1: | Peter Mills |
| Successor1: | William E. McKinley Jr. |
| President2: | Harry S. Truman Dwight D. Eisenhower |
| Term Start2: | July 21, 1947 |
| Term End2: | August 16, 1953 |
| Predecessor2: | Edward J. Harrington |
| Successor2: | Peter Mills |
| State Senate3: | Maine |
| District3: | 4th |
| Term Start3: | January 5, 1955 |
| Term End3: | January 4, 1961 |
| Preceded3: | Mary L. Kavanagh |
| Succeeded3: | Paul A. Couture |
| Birth Name: | Alton Adolor Lessard |
| Birth Date: | 2 August 1909 |
| Birth Place: | Rumford, Maine, U.S. |
| Death Place: | Falmouth, Maine, U.S. |
| Party: | Democratic |
| Education: | Georgetown University (LLB) |
Alton Adolor Lessard (August 2, 1909 – June 3, 1976) was a Superior Court justice credited as being “one of the architects in the rejuvenation of the Democratic Party in Maine” (He was as chairman of the Democratic State Committee when Edmund Muskie was elected to the US Senate, the first Democrat in 40 years).[1] [2]
Lessard also served two terms as Mayor of Lewiston, Maine.[3] Lessard also served in the Maine State Senate,[4] and U.S. Attorney.[5]