The Diocese of Chicoutimi is a Roman Catholic diocese located in the province of Quebec, Canada. Established in 1878, it serves the spiritual needs of the local Catholic community and is part of the larger ecclesiastical province of Quebec. The diocese covers a vast area, including the regions of Saguenay–Lac-Saint-Jean and parts of the Côte-Nord. The diocese is headquartered in the city of Chicoutimi, which is a borough of Saguenay. It is led by a bishop who oversees various parishes and religious activities within the diocese. The Diocese of Chicoutimi is known for its commitment to education, social justice, and community service.