James Fenner (January 22, 1771 – April 17, 1846) was an American politician who served as an United States Senator as well as the seventh, 11th and 17th Governor of Rhode Island (on three separate occasions). He was the son of Arthur Fenner, the fourth governor of Rhode Island.Fenner was born in Providence, Rhode Island. He graduated from Brown University in 1789, and was married to Sarah Whipple Jenckes (his first cousin, once removed) on 17 November 1792.