| ISO 639-3 Inverted Names | art-291 |
| Sierra Leone Sign Language | |
| 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 |
| 普通话 | cmn-000 | 塞拉利昂手语 |
| English | eng-000 | Sierra Leone Sign Language |
| русский | rus-000 | сьерра-леонский жестовый |