Rainsboro is an unincorporated community in Paint Township, Highland County, Ohio, United States.

[1] Rainsboro was named for John Rains, the original owner of the town site.

[2] A post office was established at Rainsboro in 1893, and remained in operation until it was discontinued in 1966.

[3] Joseph B. Foraker, 37th Governor of Ohio, was born near Rainsboro in 1846.

This Highland County, Ohio state location article is a stub.