Perranarworthal () is a civil parish and village in Cornwall, England, United Kingdom. The village is about four miles (6.5 km) northwest of Falmouth and five miles (8 km) southwest of Truro. Perranarworthal parish is bordered on the north by Kea parish, on the east by Restronguet Creek and Mylor parish, on the south by St Gluvias and Stithians parishes and on the west by Gwennap parish. The parish population at the 2011 census was 1,496. The name derives from the Manor of Arworthal which has had a number of spellings in the past including Hareworthal (1187), Arwoethel and Arwythel. By the 18th-century two names appear on maps "Perran Arworthal" meaning St Piran's by the creek or estuary. William Penaluna described the settlement in 1838. Perranwell railway station is on the Maritime Line.