Leavittsburg is a census-designated place (CDP) in Trumbull County, Ohio, United States. The population was 2,200 at the 2000 census. It is part of the Youngstown–Warren–Boardman, OH-PA Metropolitan Statistical Area.
Leavittsburg was designated as the market town of Trumbull County, but Warren supplanted Leavittsburg, which remains mostly woodland. Leavittsburg is the burial place of members of the Leavitt family, a family of early Ohio settlers who came from Suffield, Connecticut to settle family lands granted as part of the Western Reserve.
Leavittsburg is located at 41°14′42″N 80°52′37″W / 41.245°N 80.87694°W / 41.245; -80.87694 (41.245024, -80.877070).