Aché language
| Aché | |
|---|---|
| Guayakí | |
| Native to | Paraguay | 
| Region | Alto Paraná | 
| Ethnicity | Aché | 
| Native speakers | 910 (2012) | 
| Dialects | 
 | 
| Language codes | |
| ISO 639-3 | guq | 
| Glottolog | ache1246 | 
| ELP | Aché | 
| Abaza is classified as Definitely Endangered by the UNESCO Atlas of the World's Languages in Danger | |
Aché, also known as Guayaki, is a Guarani language of Paraguay with three living dialects: Ache gatu, Ache wa, and Ñacunday River Ache. The Ñacunday River dialect has low mutual intelligibility with the other two dialects.