| Ethnologue Language Names | art-330 |
| Utoro | |
| ISO 639-3 | art-001 | otr |
| Ethnologue Language Names | art-330 | Dhitoro |
| Ethnologue Language Names | art-330 | Kawama |
| Ethnologue Language Names | art-330 | Kawarma |
| Ethnologue Language Names | art-330 | Litoro |
| Ethnologue Language Names | art-330 | Otoro |