| ISO 639-3 Reference Names | art-289 | Loncong |
| ISO 639-3 Print Names | art-290 | Loncong |
| ISO 639-3 Print Names | art-290 | Sekak |
| ISO 639-3 Inverted Names | art-291 | Loncong |
| ISO 639-3 Inverted Names | art-291 | Sekak |
| Ethnologue Primary Language Names | art-323 | Sekak |
| Glottolog Languoid Names | art-326 | Loncong |
| Glottocode | art-327 | lonc1237 |
| Glottolog Primary Key | art-328 | 39374 |
| Ethnologue Language Names | art-330 | Lonchong |
| Ethnologue Language Names | art-330 | Loncong |
| Ethnologue Language Names | art-330 | Lontjong |
| Ethnologue Language Names | art-330 | Orang Laut |
| Ethnologue Language Names | art-330 | Sawang |
| Ethnologue Language Names | art-330 | Seka |
| Ethnologue Language Names | art-330 | Sekah |
| Ethnologue Language Names | art-330 | Sekak |
| English | eng-000 | Loncong |
