| ISO 639-3 | art-001 |
| hol | |
| ISO 639-3 Reference Names | art-289 | Holu |
| ISO 639-3 Print Names | art-290 | Holu |
| ISO 639-3 Inverted Names | art-291 | Holu |
| Ethnologue Primary Language Names | art-323 | Holu |
| Glottolog Languoid Names | art-326 | Holu |
| Glottocode | art-327 | holu1245 |
| Glottolog Primary Key | art-328 | 30737 |
| Ethnologue Language Names | art-330 | Holo |
| Ethnologue Language Names | art-330 | Holu |
| Ethnologue Language Names | art-330 | Hongu |
| Ethnologue Language Names | art-330 | Kiholo |
| Ethnologue Language Names | art-330 | Kiholu |
| Ethnologue Language Names | art-330 | Yeci |
| English | eng-000 | Holu |