St. Mary's Cathedral, Sandakan

St. Mary's Cathedral, or Sandakan Cathedral, is the cathedral and mother church of the Roman Catholic Diocese of Sandakan (Dioecesis Sandakaanus or Keuskupan Sandakan) in Sandakan, Sabah, Malaysia.5°50′25″N 118°06′41″E / 5.840196°N 118.111502°E / 5.840196; 118.111502 Founded in 1883, it is the oldest church in Sandakan.

During the nineteenth century it was erected a prefecture based in Labuan, an island off the northwestern coast of Borneo. In the period established in the territory of the various mission stations, including the mission of Santa Maria of Sandakan, a small town on the coast of the island of Borneo.