Rhacophorus baluensis (common name: Balu flying frog) is a species of frog in the family Rhacophoridae found in northern Sabah and Sarawak in Malaysian Borneo. It is likely to be found in northern Kalimantan.[1] Its natural habitats are submontane and montane forests. Male frogs gather at small ponds. It is potentially threatened by habitat loss caused by logging.