Old Uyghur
| Old Uyghur | |
|---|---|
| Native to | Uyghur Khaganate, Qocho, Ganzhou Uyghur Kingdom | 
| Region | Mongolia, Hami, Turpan, Gansu | 
| Era | 9th–14th century developed into Western Yugur | 
| Turkic
 
 | |
| Old Turkic script, Old Uyghur alphabet, Manichaean script, Sogdian alphabet, Syriac alphabet, Brahmi script | |
| Language codes | |
| ISO 639-3 | oui | 
| oui | |
| Glottolog | oldu1239 | 
Old Uyghur (simplified Chinese: 回鹘语; traditional Chinese: 回鶻語; pinyin: Huíhú yǔ) was a Turkic language spoken in Qocho from the 9th–14th centuries as well as in Gansu.