| James Trecothick Austin | |
| Office: | 22nd Massachusetts Attorney General |
| Term Start: | 1832 |
| Term End: | 1843 |
| Governor: | Levi Lincoln Jr. John Davis Samuel Turell Armstrong Edward Everett Marcus Morton |
| Successor: | John H. Clifford (From 1849; Office Abolished from 1843–1849) |
| Title2: | Suffolk County, Massachusetts Attorney |
| Term Start2: | 1812 |
| Term End2: | 1832 |
| Predecessor2: | Position created |
| Successor2: | Samuel D. Parker |
| Birth Date: | January 7, 1784 |
| Birth Place: | Boston, Massachusetts |
| Death Place: | Boston, Massachusetts |
| Spouse: | Catharine Gerry |
| Children: | Ivers James Austin, born February 14, 1808, d June 11, 1889; Marie Cornelia Ritchie Austin, b. March 8, 1821, d, December 6, 1864. |
| Profession: | Attorney |
James Trecothick Austin (January 7, 1784 – May 8, 1870) was the 22nd Massachusetts Attorney General. Austin was the son of Massachusetts Secretary of the Commonwealth, and Treasurer and Receiver-General of Massachusetts Jonathan L. Austin. He was elected a Fellow of the American Academy of Arts and Sciences in 1824.[1] He graduated from Harvard College in 1802.[2]
In 1837, he spoke at Faneuil Hall in praise of anti-abolitionists who had killed Elijah P. Lovejoy. He compared the mob to American patriots rising against the British and declared that Lovejoy "died as the fool dieth!"[3]
Austin married Catharine Gerry, the eldest daughter of Elbridge Gerry, they had a son, Ivers James Austin, born February 14, 1808, and a daughter, Marie Cornelia Ritchie Austin, born on March 8, 1821.