Ersu language
| Ersu | |
|---|---|
| Native to | China | 
| Region | western Sichuan | 
| Native speakers | 20,000 (2002) | 
| Sino-Tibetan
 
 | |
| Ersu Shaba script | |
| Language codes | |
| ISO 639-3 | ers | 
| Glottolog | ersu1241 | 
| ELP | Ersu | 
The Ersu language proper (Chinese: 尔苏 Ěrsū) is a Sino-Tibetan (Trans-Himalayan language) spoken in western Sichuan, China. It is the most widely spoken of the three Ersu languages. There are 13,000 speakers according to Sun (1982).