| ISO 639-3 | art-001 |
| sgx | |
| ISO 639-3 Reference Names | art-289 | Sierra Leone Sign Language |
| ISO 639-3 Print Names | art-290 | Sierra Leone Sign Language |
| ISO 639-3 Inverted Names | art-291 | Sierra Leone Sign Language |
| Ethnologue Primary Language Names | art-323 | Sierra Leone Sign Language |
| Glottolog Languoid Names | art-326 | Sierra Leone Sign Language |
| Glottocode | art-327 | sier1246 |
| Glottolog Primary Key | art-328 | 33467 |
| Ethnologue Language Names | art-330 | Sierra Leone Sign Language |
| 普通话 | cmn-000 | 塞拉利昂手语 |
| English | eng-000 | Sierra Leone Sign Language |
| русский | rus-000 | сьерра-леонский жестовый |