Oreophrynella quelchii, commonly known as the Roraima black frog or Roraima bush toad, is a species of toad in the family Bufonidae. This species is restricted to the transboundary summit of Mount Roraima in Venezuela, Guyana and Brazil, and to the nearby Wei-Assipu-tepui on the Brazil-Guyana border. It has been recorded at elevations of above sea level.