The Cathedral Parish of Saint Gregory the Great (Filipino: Parokyang Katedral ni San Gregorio Magno), also known as Legazpi Cathedral and locally as Albay Cathedral, is a Roman Catholic cathedral dedicated to Saint Gregory the Great in the Old Albay District of the city of Legazpi, Albay, in the Bicol region of the Philippines. It is the seat of the Diocese of Legazpi. In 2018, a historical marker of the National Historical Commission of the Philippines was unveiled at the cathedral.