Avoca is an unincorporated community in Clay County, in the U.S. state of West Virginia.
A post office called Avoca was in operation from 1906 until 1909. Avoca was named after a place mentioned in Irish Melodies by Thomas Moore.
Coordinates: 38°27′11″N 81°03′02″W / 38.45306°N 81.05056°W