| ISO 639-3 | art-001 |
| cen | |
| ISO 639-3 Reference Names | art-289 | Cen |
| ISO 639-3 Print Names | art-290 | Cen |
| ISO 639-3 Inverted Names | art-291 | Cen |
| Ethnologue Primary Language Names | art-323 | Cen |
| Glottolog Languoid Names | art-326 | Cen |
| Glottocode | art-327 | cenn1238 |
| Glottolog Primary Key | art-328 | 31842 |
| Ethnologue Language Names | art-330 | Cen |
| Ethnologue Language Names | art-330 | Chen |
| Ethnologue Language Names | art-330 | Icen |
| Ethnologue Language Names | art-330 | Icen FiForon |
| Ethnologue Language Names | art-330 | Icen Ibaas |
| Ethnologue Language Names | art-330 | Ichen |
| English | eng-000 | Cen |