The ceram mangrove monitor, Varanus cerambonensis, is a species of monitor lizard found in Indonesia. Specifically, it is found on some of the Central Moluccan islands including: Ambon, Seram, Obi, Buru, and Banda. On Ambon and probably on New Guinea Varanus cerambonensis occurs sympatrically with Varanus indicus. It is in the indicus species group of the subgenus Euprepiosaurus.
