| ISO 639-3 | art-001 |
| ctc | |
| ISO 639-3 Reference Names | art-289 | Chetco |
| ISO 639-3 Print Names | art-290 | Chetco |
| ISO 639-3 Inverted Names | art-291 | Chetco |
| Ethnologue Primary Language Names | art-323 | Chetco |
| Glottolog Languoid Names | art-326 | Chetco |
| Glottocode | art-327 | chet1237 |
| Glottolog Primary Key | art-328 | 44819 |
| Ethnologue Language Names | art-330 | Chetco |
| English | eng-000 | Chetco |