Graigwen (English translation = White-Rock) is the name of the large hill (Graigwen Hill) and the village or district located thereon, sited to the north of Pontypridd town centre and south of Glyncoch and Ynysybwl in the county borough of Rhondda Cynon Taf, Wales, and within the ancient parish of Llanwonno (Llanwynno). It falls within the Rhondda and Pontypridd Town electoral wards, and comprises the sub-districts of Pantygraigwen, Penygraigwen, the Whiterock Estate, and Lanwood. It is also bounded by the districts of Pwllgwaun and Hopkinstown.