| Ethnologue Language Names | art-330 |
| Oku | |
| ISO 639-3 | art-001 | bky |
| ISO 639-3 | art-001 | oku |
| Ethnologue Language Names | art-330 | Bvukoo |
| Ethnologue Language Names | art-330 | Ebkuo |
| Ethnologue Language Names | art-330 | Ekpwo |
| Ethnologue Language Names | art-330 | Kuo |
| Ethnologue Language Names | art-330 | Ukfwo |
| Ethnologue Language Names | art-330 | Uku |