St Columb Major is a town and civil parish in Cornwall, England, United Kingdom. Often referred to locally as St Columb, it is approximately seven miles (11 km) southwest of Wadebridge and six miles (10 km) east of Newquay The designation Major distinguishes it from the nearby settlement and parish of St Columb Minor on the coast. An electoral ward simply named St Columb exists with a population at the 2011 census of 5,050. The town is named after the 6th-century AD Saint Columba of Cornwall, also known as Columb.