Polruan is a coastal village in the parish of Lanteglos-by-Fowey in Cornwall, England, United Kingdom. It is bounded on three sides by water: to the north by Pont Creek, to the west by the River Fowey and to the south by the English Channel and neighbours village Bodinnick to the north, connected by a 4-mile walk along the hill tops. Polruan is very steep and well protected from the prevailing winds and Polruan Pool is a haven for small boats.

Lanteglos is a coastal civil parish in south Cornwall, England, United Kingdom. It is on the east side of the tidal estuary of the River Fowey which separates it from the town and civil parish of Fowey. The South West Coast Path runs along the southern coasts of the parish and much of the southern part of the parish lies in the Polruan to Polperro Site of Special Scientific Interest managed by the National Trust.