The Brown-chested Martin (Progne tapera) is a species of bird in the Hirundinidae family.

It is found in Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Ecuador, Falkland Islands, French Guiana, Guyana, Panama, Paraguay, Peru, Puerto Rico, Suriname, the United States, Uruguay, and Venezuela. Its natural habitats are dry savanna, subtropical or tropical seasonally wet or flooded lowland grassland, rivers, and heavily degraded former forest.