| Ethnologue Language Names | art-330 |
| Tettum | |
| ISO 639-3 | art-001 | tet |
| Ethnologue Language Names | art-330 | Belo |
| Ethnologue Language Names | art-330 | Belu |
| Ethnologue Language Names | art-330 | Fehan |
| Ethnologue Language Names | art-330 | Teto |
| Ethnologue Language Names | art-330 | Tetu |
| Ethnologue Language Names | art-330 | Tetum |
| Ethnologue Language Names | art-330 | Tetun |
| Ethnologue Language Names | art-330 | Tetun Belu |
| Ethnologue Language Names | art-330 | Tetun Loos |
| Ethnologue Language Names | art-330 | Tetun Terik |
| Ethnologue Language Names | art-330 | Tetung |