Cwmpennar

{{Use dmy dates|date=October 2019}}

{{Infobox UK place

| official_name = Cwmpennar

| country = Wales

| static_image_name = Low Row, Cwmpennar - geograph.org.uk - 947388.jpg

| os_grid_reference = SO 0407 0005

| map_type = Wales

| coordinates = {{coord|51.690955|-3.3892530|display=inline,title}}

| post_town = MOUNTAIN ASH

| postcode_area = CF

| postcode_district = CF45

| dial_code = 01443

| constituency_westminster = Cynon Valley

| community_wales = Mountain Ash

| unitary_wales = Rhondda Cynon Taf

| lieutenancy_wales = Mid Glamorgan

| constituency_welsh_assembly = Cynon Valley

}}

Cwmpennar (or Cwm Pennar) is a small village in Mountain Ash which is situated in the Cynon Valley, Rhondda Cynon Taff, Wales.

Cwmpennar lies opposite a former coal mining pit. Cwmpennar is part of the Cefnpennar District Welfare Association (CDWA). On 2 May 1867 an explosion took place at Cwmpennar Pit.{{cite book|last= Fairley|first=William|title=Glossary of terms used in the coal-mining districts of South Wales, Bristol and Somersetshire|url=https://books.google.com/books?id=jrIHAAAAQAAJ&pg=PA4|year=1868|page=4}}