Plouvorn is a commune in the Finistère department of Brittany in north-western France. Inhabitants of Plouvorn are called in French Plouvor…Plouvorn is a commune in the Finistère department of Brittany in north-western France. Inhabitants of Plouvorn are called in French Plouvornéens. In 2008, 9.92% of primary-school children attended bilingual schools, where Breton language is taught alongside French.