Le Mans Cathedral is a Catholic church situated in Le Mans, France. The cathedral is dedicated to Saint Julian of Le Mans, the city's first bishop, who established Christianity in the area around the beginning of the 4th century. Its construction dated from the 6th through the 14th century, and it features many French Gothic elements.
The cathedral, which combines a Romanesque nave and a High Gothic choir, is notable for its rich collection of stained glass and the spectacular bifurcating flying buttresses at its eastern end.