Philautus nephophilus is a species of frog in the family Rhacophoridae.

It is endemic to Malaysia, where it has been observed in Kinabalu National Park, between 1400 and 1800 meters above sea level.

This frog can change color, being darker during the day, with a yellow belly and dark brown spots.

At night, this frog's head and shoulders are deeper brown than the rest of the body.

The sides of the back legs are gray in color with whitish spots or other marks.