Ynysybwl (Welsh: Ynys-y-bŵl [ənɪsəˈbʊl]) is a village in Cwm Clydach in Wales. It is situated in the county borough of Rhondda Cynon Taf, roughly 20 miles (32 km) north-north-west of Cardiff, 4 miles (6 km) north of Pontypridd and 10 miles (16 km) south of Merthyr Tydfil, and forms part of the community of Ynysybwl and Coed-y-cwm.