| Language | Comments | Speakers | Source | ISO 639-3 | Ethnologue entry |
|---|---|---|---|---|---|
| Anambe language | 7 (1991 SIL) 77 (1993 SIL) | Ethnologue | Anambe language | ||
| Apiaca language | 2 (1986 Rodrigues) | Ethnologue | Apiaca language | ||
| Arikapu language | 6 (1998 SIL). | Ethnologue | Arikapu language | ||
| Arua language | 12 (1990). | Ethnologue | Arua language | ||
| Arutani language | 17 in Brazil (1986 SIL)Population total all countries: 19. | Ethnologue | atx | Arutani language | |
| Cafundo Creole language | 40 (1978 M Gnerre, U Estadual de Campinas). | Ethnologue | ccd | Cafundo Creole language | |
| Guato language | 40 (1993 SIL) 382 (1993 SIL). | Ethnologue | GuatA3 language | ||
| Himarima language | 40. | Ethnologue | Himarima language | ||
| Jabuti language | 5 (1990). | Ethnologue | Jabuti language | ||
| Juma language | 4 (1998)There were 300 in 1940. | Ethnologue | Juma language | ||
| Karahawyana language | 40 (1995 SIL). | Ethnologue | xkh | Karahawyana language | |
| Karipuna language | 12 to 15 (2000 SIL). | Ethnologue | Karipuna language | ||
| Katawixi language | 10 (1986 SIL). | Ethnologue | xat | Katawixi language | |
| Katukina language | 1 (1976 SIL) 360. | Ethnologue | Katukina language | ||
| Kreye language | 30 (1995 SIL). | Ethnologue | xre | Kreye language | |
| Mapidian language | 50 in Brazil (1986 Howard). | Ethnologue | mpw | Mapidian language | |
| Monde language | 30 (1995 AMTB). | Ethnologue | Monde language | ||
| Ofaye language | 15 (2002) 37 (1995 AMTB). | Ethnologue | Ofaye language | ||
| Omagua language | There may be none left in Brazil (1995). | Ethnologue | omg | Omagua language | |
| Oro Win language | 5 (1996 SIL) 55 (1998). | Ethnologue | orw | Oro Win language | |
| Piraha language | 150 speakers in 2004. Ethnic population: 200. | ||||
| Purubora language | 2 (2002 SIL). | Ethnologue | Purubora language | ||
| Sikiana language | 33 in Brazil (1986 SIL)Population total all countries: 48. | Ethnologue | sik | Sikiana language | |
| Tariano language | 100 in Brazil (1996 A Aikhenvald) 1,500 in Brazil (1985 Rodrigues). | Ethnologue | Tariano language | ||
| Tora language | 40 (1990) 120 (1990 YWAM). | Ethnologue | Tora language | ||
| Xeta language | 3 (1990 SIL) 100 to 250 (1986 SIL). | Ethnologue | Xeta language | ||
| Xipaya language | 2 (2000 SIL). | Ethnologue | xiy | Xipaya language |
Read more about this topic: List Of Endangered Languages In South America