Rhacophorus reinwardtii is a species of frog in the family Rhacophoridae.

It is found in China, Indonesia, Laos, Malaysia, Thailand, and Vietnam, and possibly Brunei and Myanmar.

Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, freshwater marshes, and intermittent freshwater marshes.

The females grow to be larger than the males, to a length of 3.5 in (8.9 cm).

Males can have more colors on the sides of their abdomens, such as orange, green, purple, black, and yellow.