Trewellard (from Cornish: Trewylard, meaning "Gwylard's settlement";[1] grid reference SW376337) is a small village on the north coast road between St Just and St Ives in Cornwall, England, United Kingdom. It lies along the B3306 road which connects St Ives to the A30 road. It is situated 7 miles from Land's End and 7 miles from Penzance. It is in the civil parish of St Just and the electoral division of St Just in Penwith.
Trewellard lies within the Cornwall Area of Outstanding Natural Beauty (AONB). Almost a third of Cornwall has AONB designation, with the same status and protection as a National Park.