Hildesheim Cathedral, also known as the Cathedral of the Assumption of Mary, is a medieval Romanesque church located in Hildesheim, Germany. The cathedral was built between the 9th and 11th centuries and is one of the oldest cathedrals in Germany.

The church has two spires that reach a height of approximately 80 meters, making it one of the tallest churches in Lower Saxony. The interior of the cathedral is decorated with colorful frescoes and intricate stonework. One of the most notable features of the cathedral is the bronze Bernward Doors, which were crafted by Bishop Bernward in the 11th century and depict scenes from the Old and New Testaments.

The cathedral was badly damaged during World War II, but was restored in the decades following the war. Today, it is a UNESCO World Heritage Site and a popular destination for tourists and pilgrims. The church is still used for regular worship services and is an important center of religious life in the region.