| ISO 639-3 | art-001 |
| lek | |
| ISO 639-3 Reference Names | art-289 | Leipon |
| ISO 639-3 Print Names | art-290 | Leipon |
| ISO 639-3 Inverted Names | art-291 | Leipon |
| Ethnologue Primary Language Names | art-323 | Leipon |
| Glottolog Languoid Names | art-326 | Leipon |
| Glottocode | art-327 | leip1237 |
| Glottolog Primary Key | art-328 | 41688 |
| Ethnologue Language Names | art-330 | Leipon |
| Ethnologue Language Names | art-330 | Pafulu |
| Ethnologue Language Names | art-330 | Pitilu |
| Ethnologue Language Names | art-330 | Pityilu |
| Deutsch | deu-000 | Leipon |
| English | eng-000 | Leipon |