The White-rumped Swallow (Tachycineta leucorrhoa) is a species of bird in the Hirundinidae family. It was first formally described as Hirundo leucorrhoa by French ornithologist Louis Vieillot in 1817 in his Nouvelle Dictionnaire d'Histoire Naturelle.

It is found in Argentina, Bolivia, Brazil, Paraguay, Peru, and Uruguay. Its natural habitats are dry savanna, subtropical or tropical seasonally wet or flooded lowland grassland, pastureland, and heavily degraded former forest.