The Copan brook frog, Duellmanohyla soralia, is a species of frog in the family Hylidae found in the Sierra del Merendón range in Guatemala and Honduras. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is threatened by habitat loss. The colouring of this species is very distinctive and the specific name soralia comes from the resemblance of its markings to the vegetative structures on some crustose lichens.