Cwmllynfell (Welsh pronunciation^ⓘ) is a village, community and electoral ward in Neath Port Talbot county borough, Wales.

Cwmllynfell has its own local rugby union team - Cwmllynfell RFC. Also, a bilingual primary school, supermarket, post office, village hall, church and chapels.^{[citation needed]} Nearby there is the Black Mountain which supplies views to the village.

The electoral ward consists of some or all of the following areas: Blaen-nant, Bryn-Melyn, Celliwarog, Cwmllynfell, Rhiw-fawr in the parliamentary constituency of Neath. Cwmllynfell is bounded by the wards of Quarter Bach of Carmarthenshire to the northeast; Cwmtwrch of Powys to the east; Ystalyfera to the southeast; Pontardawe to the southwest; Gwaun-Cae-Gurwen to the west and Lower Brynamman to the northwest.^[2]

In the 2017 local council elections the results were:^[3]

In the 2012 local council elections the turn out was 49.78%. The results were:

At 14:31 on 17 February 2018 a field 2¼ miles south-southwest of the village near Gwrhyd Chapel was the epicentre of a 4.6 magnitude earthquake, the largest in the British Isles since 2008. The quake was felt as far away as Blackpool.^[4][5]

6. https://www.garethjones.org/rural_wales/mining_town.htm

• Cwmllynfell RFC
• www.geograph.co.uk : photos of Cwmllynfell and surrounding area