Gran Chaco
- Abipón, Argentina, historic group
- Angaite (Angate), northwestern Paraguay
- Ayoreo (Morotoco, Moro, Zamuco), Bolivia and Paraguay
- Chamacoco (Zamuko), Paraguay
- Chané, Argentina and Bolivia
- Chiquitano (Chiquito, Tarapecosi), eastern Bolivia
- Chorote (Choroti), Iyojwa'ja Chorote, Manjuy), Argentina, Bolivia, and Paraguay
- Guana (Kaskihá), Paraguay
- Guaraní, Argentina, Bolivia, Brazil, and Paraguay
- Bolivian Guarani
- Chiriguano, Bolivia
- Guarayo (East Bolivian Guarani)
- Chiripá (Tsiripá, Ava), Bolivia
- Pai Tavytera (Pai, Montese, Ava), Bolivia
- Tapieté (Guaraní Ñandéva, Yanaigua), eastern Bolivia
- Yuqui (Bia), Bolivia
- Bolivian Guarani
- Guaycuru peoples, Argentina, Bolivia, Brazil, and Paraguay
- Mbayá (Caduveo), historic
- Kadiweu, Brazil
- Mocoví (Mocobí), Argentina
- Pilagá (Pilage Toba)
- Toba (Qom, Frentones), Argentina, Bolivia, and Paraguay
- Mbayá (Caduveo), historic
- Kaiwá, Argentina and Brazil
- Lengua people (Enxet), Paraguay
- North Lengua (Eenthlit, Enlhet, Maskoy), Paraguay
- South Lengua, Paraguay
- Lulé (Pelé, Tonocoté), Argentina
- Maká (Towolhi), Paraguay
- Nivaclé (Ashlushlay, Chulupí, Chulupe, Guentusé), Argentina and Paraguay
- Sanapaná (Quiativis), Paraguay
- Vilela, Argentina
- Wichí (Mataco), Argentina and Bolivia
Read more about this topic: List Of Indigenous Peoples Of South America