Hyperolius montanus is a species of frog in the family Hyperoliidae. It is endemic to Kenya and known from the Kenya Highlands. It might represent more than one species.
Description
The type series, collected from Mount Kinangop, consists of one male measuring and four females measuring in snout–vent length. Males are reported to vary in SVL between, making them medium to large sized among Hyperolius frogs. Colour pattern is variable. Dorsum is uniformly greyishbrown to light brown, yellow, or greenish. A dark brown canthal stripe runs from behind the eye to shoulder or groin. Males have yellow to whitethroat, or green in green-backed specimens. Ventrum is whitish and feet are whitish to yellowish.