| ISO 639-3 | art-001 |
| cea | |
| ISO 639-3 Reference Names | art-289 | Lower Chehalis |
| ISO 639-3 Print Names | art-290 | Lower Chehalis |
| ISO 639-3 Inverted Names | art-291 | Chehalis, Lower |
| Ethnologue Primary Language Names | art-323 | Chehalis, Lower |
| Glottolog Languoid Names | art-326 | Lower Chehalis |
| Glottocode | art-327 | lowe1427 |
| Glottolog Primary Key | art-328 | 24575 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 796 |
| Ethnologue Language Names | art-330 | Chehalis, Lower |
| English | eng-000 | Lower Chehalis |
| français | fra-000 | bas-chehalis |
| español | spa-000 | chehalí bajo |