| ISO 639-3 | art-001 |
| cow | |
| ISO 639-3 Reference Names | art-289 | Cowlitz |
| ISO 639-3 Print Names | art-290 | Cowlitz |
| ISO 639-3 Inverted Names | art-291 | Cowlitz |
| Ethnologue Primary Language Names | art-323 | Cowlitz |
| Glottolog Languoid Names | art-326 | Cowlitz |
| Glottocode | art-327 | cowl1242 |
| Glottolog Primary Key | art-328 | 24577 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 798 |
| Ethnologue Language Names | art-330 | Cowlitz |
| Ethnologue Language Names | art-330 | Lower Cowlitz |
| 普通话 | cmn-000 | 考利茨语 |
| English | eng-000 | Cowlitz |
| français | fra-000 | cowlitz |
| español | spa-000 | cowlitz |