Southington is an unincorporated community in central Southington Township, Trumbull County, Ohio, United States.

It lies at the intersection of U.S. Route 422 with State Route 305 and has a post office with the ZIP code 44470.

A post office called Southington has been in operation since 1826.

The district has one K-12 building south of Southington, administered as three separate schools:

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