| ISO 639-3 | art-001 |
| hao | |
| ISO 639-3 Reference Names | art-289 | Hakö |
| ISO 639-3 Print Names | art-290 | Hakö |
| ISO 639-3 Inverted Names | art-291 | Hakö |
| Ethnologue Primary Language Names | art-323 | Hakö |
| Glottolog Languoid Names | art-326 | Hakö |
| Glottocode | art-327 | hako1237 |
| Glottolog Primary Key | art-328 | 42133 |
| Ethnologue Language Names | art-330 | Haku |
| Ethnologue Language Names | art-330 | Hakö |
| Ethnologue Language Names | art-330 | Lontes |
| English | eng-000 | Hakö |