Eureka is an unincorporated community in Pleasants County, West Virginia, United States.

Eureka is located on the banks of the Ohio River and West Virginia Route 2, 1 mile (1.6 km) west-southwest of Belmont.

[2] Eureka had a post office, which closed on January 16, 1993.

[3] The community was named Eureka after oil was discovered in the area.

This article about a location in Pleasants County, West Virginia is a stub.