Pelenna is an electoral ward coterminous with a community in Neath Port Talbot county borough, south Wales. The ward consists of some or all of the following areas: Cefn-Saeson, Tonmawr, Pontrhydyfen in the parliamentary constituency of Neath. Pelenna is bounded by the wards of: Resolven to the north; Cymmer to the east; Bryn and Cwmavon to the south; Briton Ferry East and Cimla to the west; and Tonna to the northwest. The ward comprises open moorland to the north west and dense woodland to the south east with the largest settlements in Tonmawr and Pontrhydyfen.