Hyperolius pusillus (common names: waterlily reed frog and various variants thereof, dwarf reed frog) is a species of frog in the Hyperoliidae family. It is found throughout diverse environments in eastern and southern Africa. It is a very common frog. Its natural habitats are open savanna, bush land and grassland. Breeding takes place in shallow pans, vleis, open swamps, and dams with floating vegetation such as water lilies.