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.

[2] Its natural habitats are submontane and montane forests.

Male frogs gather at small ponds.

It is potentially threatened by habitat loss caused by logging.