Edison is a village in Morrow County, Ohio, United States. The population was 437 at the 2000 census. Edison is adjacent to and west of Mount Gilead, Ohio, the county seat.
Edison is located at 40°33′29″N 82°51′48″W / 40.55806°N 82.86333°W / 40.55806; -82.86333 (40.558114, -82.863455). It is considered to be a part of "Central Ohio."
According to the United States Census Bureau, the village has a total area of 0.3 square miles (0.8 km²), all of it land.