| Ethnologue Language Names | art-330 |
| Ijo | |
| ISO 639-3 | art-001 | ijc |
| ISO 639-3 | art-001 | ijs |
| Ethnologue Language Names | art-330 | Central-Western Ijo |
| Ethnologue Language Names | art-330 | Ijaw |
| Ethnologue Language Names | art-330 | Izo |
| Ethnologue Language Names | art-330 | Izon |
| Ethnologue Language Names | art-330 | Uzo |