This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Gwaun-Cae-Gurwen" electoral ward – news · newspapers · books · scholar · JSTOR (June 2019) (Learn how and when to remove this message)

Gwaun-Cae-Gurwen is an electoral ward of Neath Port Talbot county borough, Wales. The ward of Gwaun-Cae-Gurwen along with the Lower Brynamman electoral ward makes up the parish of Gwaun-Cae-Gurwen.

Gwaun-Cae-Gurwen consists of some or all of the following settlements: Cwmgors, Gwaun-Cae-Gurwen and Gwaun-Leision in the parliamentary constituency of Neath. Gwaun-Cae-Gurwen consists of a built up area to the west and north, surrounded by farmland. The south eastern part of the ward consists of open moorland.

Gwaun-Cae-Gurwen is bounded by the wards of Quarter Bach of Carmarthenshire to the north; Lower Brynamman and Cwmllynfell to the east; Pontardawe to the south; and Glanamman of Carmarthenshire to the west.

In the 2017 local council elections, the electorate turnout was %. The results were:

51°47′04″N 3°52′44″W / 51.78443°N 3.87879°W / 51.78443; -3.87879