Naujan Lake (or Lak Novjan) (located at 13°10′N 121°20′E / 13.167°N 121.333°E) is the fifth largest lake in the Philippines, in the northeastern corner of the province of Oriental Mindoro on Mindoro Island. The lake itself is approximately 8,125 ha of open water in Naujan Lake National Park. The lake is bounded by the towns of Naujan in the north, Victoria in the west, Socorro in the south, and Pola in the east. It is fed by Siguan Creek. The main outlet of the lake is the Lumangbayan River. Mount Naujan is to the north of the lake.
- ^ "Naujan Lake National Park". Asia-Pacific Migratory Waterbird Conservation Committee. Retrieved 2009-05-17.