| Hannibal Emery Hamlin | |
| Office1: | Maine Attorney General |
| Term Start1: | 1905 |
| Term End1: | 1908 |
| Governor1: | William T. Cobb |
| Predecessor1: | George M. Seiders |
| Successor1: | Warren C. Philbrook |
| Office2: | President of the Maine Senate |
| Term Start2: | 1901 |
| Term End2: | 1902 |
| Predecessor2: | Oliver B. Clason |
| Successor2: | Harry R. Virgin |
| Office3: | Member of the Maine Senate |
| Term Start3: | 1899 |
| Term End3: | 1902 |
| Office4: | Member of the Maine House of Representatives |
| Term Start4: | 1895 |
| Term End4: | 1896 |
| Term Start5: | 1893 |
| Term End5: | 1894 |
| Birth Date: | 28 September 1858 |
| Birth Place: | Hampden, Maine, U.S. |
| Death Place: | Bangor, Maine, U.S. |
| Party: | Republican |
| Spouse: | none |
| Alma Mater: | Colby College Boston University |
Hannibal Emery Hamlin (August 22, 1858 – March 6, 1938) was an American lawyer and politician from Maine.[1] His father, Hannibal Hamlin, served as Vice President of the United States from 1861 to 1865.
Hamlin grew up in Bangor, Maine and graduated from Colby College in 1879 and Boston University School of Law in 1882.
Residing in Ellsworth, Maine, he served in the Maine House of Representatives from 1893–1894 to 1895-1896 and in the Maine Senate from 1899 to 1902. During his second term, he was elected President of the Maine Senate (1901–1902). He later served as the president of the Maine State Bar Association from 1923 to 1924.[2]