| Gesprochene Sprachen in Brasilien | 19 |
| Cacua | ||
| Calao | ||
| Canela: Apâniekra | ||
| Canela: Ramkokamekra | ||
| Carapana | ||
| Carib: Murato | ||
| Carib: Tyrewuju | ||
| Chibe | ||
| Chiripa | ||
| Cinta Larga | ||
| Cocama-Cocamilla: Cocama | ||
| Cocama-Cocamilla: Cocamilla | ||
| Cubeo | ||
| Curipaco | ||
| Shipibo-Conibo |
| Weltweite Sprachen | 1 |