Carlyon

Carlyon
Cliffs at Carlyon Bay
Carlyon
Location within Cornwall
Area4.318 km2 (1.667 sq mi)
Population1,577 (Parish, 2021)
• Density365/km2 (950/sq mi)
Civil parish
  • Carlyon
Unitary authority
Ceremonial county
Region
CountryEngland
Sovereign stateUnited Kingdom

Carlyon (Cornish: Karleghyon, meaning fort of rock-slabs) is a civil parish in Cornwall, England, United Kingdom. It lies immediately east of the town of St Austell and has a coast onto Carlyon Bay, part of the larger St Austell Bay. The settlements in the parish are Carlyon Bay and Tregrehan Mills. At the 2021 census the population of the parish was 1,577.