Saint-Étienne-du-Gué-de-l'Isle (French pronunciation: [sɛ̃.t‿etjɛn dy ɡe də lil]; Breton: Sant-Stefan-ar-Roudouz) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.

Inhabitants of Saint-Étienne-du-Gué-de-l'Isle are called stéphanois in French.

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