| ISO 639-3 | art-001 |
| sli | |
| ISO 639-3 Reference Names | art-289 | Lower Silesian |
| ISO 639-3 Print Names | art-290 | Lower Silesian |
| ISO 639-3 Inverted Names | art-291 | Silesian, Lower |
| Ethnologue Primary Language Names | art-323 | Silesian, Lower |
| Glottolog Languoid Names | art-326 | Lower Silesian |
| Glottocode | art-327 | lowe1388 |
| Glottolog Primary Key | art-328 | 37165 |
| Ethnologue Language Names | art-330 | Silesian, Lower |
| Ethnologue Language Names | art-330 | Upper Schlesisch |
| 普通话 | cmn-000 | 低地西里西亚语 |
| Deutsch | deu-000 | Schlesisch |
| English | eng-000 | Lower Silesian |
| français | fra-000 | bas-silésien |
| русский | rus-000 | нижнесилезский |