The Dinagat bushy-tailed cloud rat, Dinagat crateromys or Dinagat cloud rat (Crateromys australis) is a species of rodent in the family Muridae. It is found only on Dinagat Island in the Philippines. Its natural habitat is subtropical or tropical dry forests. The main threat is habitat loss caused by deforestation and chromite mining. It was long known only by the holotype collected by Dioscoro S.