| ISO 639-3 | art-001 |
| cat | |
| ISO 639-2/T | art-002 | cat |
| ISO 639-2/B | art-003 | cat |
| ISO 639-1 | art-004 | ca |
| ISO 639-3 Reference Names | art-289 | Catalan |
| ISO 639-3 Print Names | art-290 | Catalan |
| ISO 639-3 Print Names | art-290 | Valencian |
| ISO 639-3 Inverted Names | art-291 | Catalan |
| ISO 639-3 Inverted Names | art-291 | Valencian |
| Ethnologue Primary Language Names | art-323 | Catalan |
| Glottolog Languoid Names | art-326 | Standard Catalan |
| Glottocode | art-327 | stan1289 |
| Glottolog Primary Key | art-328 | 38770 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1343 |
| Ethnologue Language Names | art-330 | Aiguavivan |
| Ethnologue Language Names | art-330 | Algherese |
| Ethnologue Language Names | art-330 | Algherese Catalan |
| Ethnologue Language Names | art-330 | Balear |
| Ethnologue Language Names | art-330 | Balearic |
| Ethnologue Language Names | art-330 | Catalan |
| Ethnologue Language Names | art-330 | Catalan-Rousillonese |
| Ethnologue Language Names | art-330 | Catalan-Valencian-Balear |
| Ethnologue Language Names | art-330 | Catalonian |
| Ethnologue Language Names | art-330 | Català |
| Ethnologue Language Names | art-330 | Catalán |
| Ethnologue Language Names | art-330 | Central Catalan |
| Ethnologue Language Names | art-330 | Eastern Aragonese |
| Ethnologue Language Names | art-330 | Eivissenc |
| Ethnologue Language Names | art-330 | Insular Catalan |
| Ethnologue Language Names | art-330 | Lleidatà |
| Ethnologue Language Names | art-330 | Mallorqui |
| Ethnologue Language Names | art-330 | Menorqui |
| Ethnologue Language Names | art-330 | Menorquin |
| Ethnologue Language Names | art-330 | Northern Catalan |
| Ethnologue Language Names | art-330 | Northwestern Catalan |
| Ethnologue Language Names | art-330 | Pallarese |
| Ethnologue Language Names | art-330 | Ribagorçan |
| Ethnologue Language Names | art-330 | Valencian |
| Ethnologue Language Names | art-330 | Valenciano |
| Ethnologue Language Names | art-330 | Valencià |
| català | cat-000 | català |
| 普通话 | cmn-000 | 加泰罗尼亚语 |
| 普通话 | cmn-000 | 加泰隆尼亚语 |
| 普通话 | cmn-000 | 加泰隆语 |
| 普通话 | cmn-000 | 瓦伦西亚语 |
| Deutsch | deu-000 | Katalanisch |
| English | eng-000 | Algherese Catalan |
| English | eng-000 | Catalan |
| français | fra-000 | catalan |
| français | fra-000 | catalan alguerais |
| русский | rus-000 | каталанский |
| español | spa-000 | alguerés |
| español | spa-000 | catalán |