St Ruan is a hamlet in the civil parish of Grade-Ruan, west Cornwall, England, United Kingdom.

v t e Ceremonial county of Cornwall
Cornwall Portal
Unitary authorities	Cornwall Council Council of the Isles of Scilly
Major settlements (cities in italics)	Bodmin Bude Callington Camborne Camelford Falmouth Fowey Hayle Helston Hugh Town Launceston Liskeard Looe Lostwithiel Marazion Newlyn Newquay Padstow Penryn Penzance Porthleven Redruth St Austell St Blazey St Columb Major St Ives St Just in Penwith Saltash Stratton Torpoint Truro Wadebridge See also: List of civil parishes in Cornwall
Rivers	Allen Camel Carnon Cober De Lank Fal Fowey Gannel Gover Hayle Helford Inny Kensey Lerryn Looe Lynher Menalhyl Ottery Par Pont Pill Port Navas Red St Austell Seaton Tamar Tiddy Truro Valency full list...
Topics	History (Civil War) Status debate Flag Culture Economy Fishing Flora and fauna Places List of farms Population of major settlements Demography Notable people The Duchy Diocese Politics Schools Hundreds/shires Places of interest Outline of Cornwall Index of Cornwall-related articles