Rufus Easton (May 4, 1774 – July 5, 1834) was an American attorney, politician, and postmaster. He served as a non-voting delegate to the United States House of Representatives from the Missouri Territory prior to statehood. After statehood he became Missouri's second Attorney General. Rufus Easton was the founder of Alton, Illinois, and father of women's education pioneer Mary Easton Sibley.