Fork Union is an unincorporated community in southern Fluvanna County, Virginia, along U.S. Highway 15.

It is known mainly as the home of Fork Union Military Academy, Fork Union Animal Clinic and formerly had one of the few surviving drive-in theatres in Virginia (1.5 miles south of town in an area known as Weber City).

Fork Union is also home to a post office, a bank, a small grocery store, a supermarket, a dollar store and two independently owned restaurants.

Melrose and Western View are listed on the National Register of Historic Places.

This Fluvanna County, Virginia state location article is a stub.