Rainbow is an unincorporated community in Washington County, in the U.S. state of Ohio.[1]
The first settlement at Rainbow was made in the spring of 1795.[2] The community most likely took its name from Rainbow Creek.[3] A post office called Rainbow was established in 1888, and remained in operation until 1903.[4]
39°29′40″N 81°27′55″W / 39.49444°N 81.46528°W