Four Bridges is a census-designated place (CDP) in Liberty Township, Butler County, Ohio, United States.

Four Bridges is located along the eastern border of Butler County, in the southeast part of Liberty Township.

It is bordered to the south by West Chester Township and to the east by the city of Mason in Warren County.

Interstate 75 forms the western edge of the CDP, with access from Exit 24 (Liberty Way).

According to the United States Census Bureau, the Four Bridges CDP has a total area of 2.2 square miles (5.7 km2), all land.