| ISO 639-3 | art-001 |
| lit | |
| ISO 639-2/T | art-002 | lit |
| ISO 639-2/B | art-003 | lit |
| ISO 639-1 | art-004 | lt |
| ISO 639-3 Reference Names | art-289 | Lithuanian |
| ISO 639-3 Print Names | art-290 | Lithuanian |
| ISO 639-3 Inverted Names | art-291 | Lithuanian |
| Ethnologue Primary Language Names | art-323 | Lithuanian |
| Glottolog Languoid Names | art-326 | Lithuanian |
| Glottocode | art-327 | lith1251 |
| Glottolog Primary Key | art-328 | 36578 |
| Ethnologue Language Names | art-330 | Aukshtaičiai |
| Ethnologue Language Names | art-330 | Aukshtaičių |
| Ethnologue Language Names | art-330 | Aukstaitiškai |
| Ethnologue Language Names | art-330 | Dzukiškai |
| Ethnologue Language Names | art-330 | Dzukų |
| Ethnologue Language Names | art-330 | Highland Lithuanian |
| Ethnologue Language Names | art-330 | Lietuviu |
| Ethnologue Language Names | art-330 | Lietuviškai |
| Ethnologue Language Names | art-330 | Litauische |
| Ethnologue Language Names | art-330 | Litewski |
| Ethnologue Language Names | art-330 | Lithuanian |
| Ethnologue Language Names | art-330 | Litovskiy |
| Ethnologue Language Names | art-330 | Lowland Lithuanian |
| Ethnologue Language Names | art-330 | Samogitian |
| Ethnologue Language Names | art-330 | Suvalkietiškai |
| Ethnologue Language Names | art-330 | Suvalkiečių |
| Ethnologue Language Names | art-330 | Žemaitis |
| Ethnologue Language Names | art-330 | Žemaitiškai |
| Ethnologue Language Names | art-330 | Žemaičiai |
| Ethnologue Language Names | art-330 | Žemaičių |
| 普通话 | cmn-000 | 立陶宛语 |
| Deutsch | deu-000 | Litauisch |
| English | eng-000 | Lithuanian |
| français | fra-000 | lituanien |
| lietuvių | lit-000 | lietuvių |
| русский | rus-000 | литовский |
| español | spa-000 | lituano |