Lanvellec (French pronunciation: [lɑ̃vɛlɛk] ⓘ; Breton: Lanvaeleg) is a commune in the Côtes-d'Armor department of Brittany in north-western France.

Its restoration by the Italian organ builder, Formentelli, was aided by the mysterious recent reappearance of the 150 pipes belonging to it.

The charmingly-situated chapel of Saint-Goulven, dating from the seventeenth century, possesses a coloured reredos, representing the Last Supper in relief.

The chapel of Saint-Maudez, dating from the beginning of the 16th century, features a handsome entrance in the form of an accolade, as well as unusual gargoyles.

The principal attractions of the chapel of Saint-Carré (or Notre Dame de Pitié) is its bell-tower, its external oratory beneath the porch, the two pillars of the gate to the parish church enclosure as well as a font dating from 1700.