| Charles Allen | |
| Office: | Associate Justice of the Massachusetts Supreme Judicial Court |
| Termstart: | 1882 |
| Termend: | 1898 |
| Nominator: | John D. Long |
| Predecessor: | Marcus Morton |
| Successor: | John Wilkes Hammond, Jr. |
| Office2: | Massachusetts Attorney General |
| Termstart2: | 1867 |
| Termend2: | 1872 |
| Majority2: | 34,164 (1867); 48,991 (1868); 47,549 (1870) |
| Governor2: | Chester I. Reed Charles R. Train |
| Predecessor2: | Chester I. Reed |
| Successor2: | Charles R. Train |
| Birth Date: | April 17, 1827 |
| Birth Place: | Greenfield, Massachusetts |
| Death Place: | Boston, Massachusetts |
| Party: | Republican |
| Profession: | Attorney |
| Education: | Harvard University |
Charles Allen (April 17, 1827 - January 13, 1913) was an American jurist.
Allen was born at Greenfield, Massachusetts to Sylvester and Harriet (Ripley) Allen. Allen graduated from Harvard University in 1847 and studied law. He received the degree of LL.D. from Harvard in 1892.
Allen was admitted to the bar in 1850 and practiced law at Greenfield for twelve years, then advanced to state offices, serving as the Massachusetts Attorney General from 1867 to 1872. During his sixteen years of service (1882–1898) on the bench of the Massachusetts Supreme Judicial Court, he became known as one of the most eminent jurists of his day.
Allen's publications include: