The St. Mary's Church or Virgin Mary's Church () is an Eastern Orthodox cave church on the island of Maligrad, in the Albanian part of Lake Prespa. It is a Cultural Monument of Albania. The church is dedicated to Saint Mary and was built by Serbian nobleman Kesar Novak (<small>alb.</small> Qesar Novaku), in the year 1369.
The church has frescoes and Greek inscriptions dated to 1369. Frescoes exist of the family of Kesar Novak, with his Greek wife Kalia.