| ISO 639-3 | art-001 |
| xxk | |
| ISO 639-3 Reference Names | art-289 | Ke'o |
| ISO 639-3 Print Names | art-290 | Ke'o |
| ISO 639-3 Inverted Names | art-291 | Ke'o |
| Ethnologue Primary Language Names | art-323 | Ke’o |
| Glottolog Languoid Names | art-326 | Ke'o |
| Glottocode | art-327 | keoo1238 |
| Glottolog Primary Key | art-328 | 40741 |
| Ethnologue Language Names | art-330 | Ke’o |
| Ethnologue Language Names | art-330 | Nage-Keo |
| English | eng-000 | Ke’o |