Nam Dinh Cathedral, also known as Saint Mary Cathedral, is a prominent Roman Catholic church located in Nam Dinh, Vietnam. Built in the late 19th century, it showcases Gothic architectural elements, including pointed arches and intricate stained glass windows. The cathedral serves as a central place of worship for the local Catholic community. The cathedral is notable for its tall bell tower, which stands at 57 meters, making it a recognizable landmark in the city. It is often visited by both locals and tourists, who admire its historical significance and architectural beauty, reflecting the rich cultural heritage of the region.