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