The Violet-Throated Metaltail, MÉTallure De Baron, Metalura De Azuay, or Metalura Gorjivioleta (Metallura baroni) is a species of hummingbird in the Trochilidae family. It is found only in Ecuador. Its natural habitats are subtropical or tropical moist montanes and subtropical or tropical high-altitude grassland. It is threatened by habitat loss.