The strange-horned chameleon (Kinyongia xenorhina), also known as Rwenzori plate-nosed chameleon or single welded-horn chameleon, is a species of chameleon.
Strange-horned chameleons are olive to brown in color. Males range more towards olive and females more towards brown. They can reach a total length of . They have among the sharpest "teeth" and longest claws of any chameleon species.