| ISO 639-3 Reference Names | art-289 | Ersu |
| ISO 639-3 Print Names | art-290 | Ersu |
| ISO 639-3 Inverted Names | art-291 | Ersu |
| Ethnologue Primary Language Names | art-323 | Ersu |
| Glottolog Languoid Names | art-326 | Ersu |
| Glottocode | art-327 | ersu1241 |
| Glottolog Primary Key | art-328 | 27830 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2432 |
| Ethnologue Language Names | art-330 | Bu’erci |
| Ethnologue Language Names | art-330 | Bu’erzi |
| Ethnologue Language Names | art-330 | Bu’erzi Ersu |
| Ethnologue Language Names | art-330 | Central Ersu |
| Ethnologue Language Names | art-330 | Doxu |
| Ethnologue Language Names | art-330 | Duoxu |
| Ethnologue Language Names | art-330 | Eastern Ersu |
| Ethnologue Language Names | art-330 | Erhsu |
| Ethnologue Language Names | art-330 | Ersu |
| Ethnologue Language Names | art-330 | Liru |
| Ethnologue Language Names | art-330 | Lisu |
| Ethnologue Language Names | art-330 | Lizu |
| Ethnologue Language Names | art-330 | Lusu |
| Ethnologue Language Names | art-330 | Lüzü |
| Ethnologue Language Names | art-330 | T’osu |
| Ethnologue Language Names | art-330 | Western Ersu |
| 普通话 | cmn-000 | 尔苏语 |
| English | eng-000 | Ersu |
| français | fra-000 | ersu |
| español | spa-000 | ersu |
