James Sullivan (April 22, 1744, Berwick, Maine - December 10, 1808) was a U.S. political figure.
In 1776, Sullivan was a State court judge in Massachusetts. Although he was elected to represent Massachusetts at the Continental Congress from 1782 to 1783 he did not attend.
From 1790 to 1807, he was the Republican attorney general of Massachusetts and in 1801 prosecuted the Dedham murderer Jason Fairbanks.
He also served as the governor of Massachusetts between 1807 and 1808. He was the brother of John Sullivan.
He died in office on December 10, 1808 and was interred in the Boston Common Cemetery, at Boston, Massachusetts.