Roswell King (May 3, 1765 – February 15, 1844) was an American businessman, planter, slave owner, and industrialist. Together with his son, Barrington King, he founded Roswell Manufacturing Company in the Georgia Piedmont, establishing a cotton mill and industrial complex. They co-founded the town of Roswell, Georgia, inviting friends to be part of its and the mill's development in the 1830s. Roswell's family originally hailed from Delaware but later moved to Connecticut where they were among the first residents of New Haven and later Windsor. As a teen, Roswell participated in the American Revolutionary War as part of the naval resistance before moving to Georgia's low country.