| ISO 639-3 Reference Names | art-289 | Quechan |
| ISO 639-3 Print Names | art-290 | Quechan |
| ISO 639-3 Inverted Names | art-291 | Quechan |
| Ethnologue Primary Language Names | art-323 | Quechan |
| Glottolog Languoid Names | art-326 | Quechan |
| Glottocode | art-327 | quec1382 |
| Glottolog Primary Key | art-328 | 28967 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 842 |
| Ethnologue Language Names | art-330 | Kechan |
| Ethnologue Language Names | art-330 | Quechan |
| Ethnologue Language Names | art-330 | Quecl |
| Ethnologue Language Names | art-330 | Yuma |
| English | eng-000 | Quechan |
| français | fra-000 | quechan |
| español | spa-000 | quechan |
