Overpeck (other names: Overpeck Station, Overpecks, Overpecks Station) is an unincorporated community in central St. Clair Township, Butler County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 45055. It lies between New Miami and Trenton.
Overpeck is a part of the Cincinnati-Middletown-Wilmington, OH-KY-IN Combined Statistical Area.
A post office called Overpecks Station was established in 1860, and the name was changed to Overpeck in 1882. The community has the name of Isaac Overpeck, an early resident.