| ISO 639-3 | art-001 |
| ruo | |
| ISO 639-3 Reference Names | art-289 | Istro Romanian |
| ISO 639-3 Print Names | art-290 | Istro Romanian |
| ISO 639-3 Inverted Names | art-291 | Romanian, Istro |
| Ethnologue Primary Language Names | art-323 | Romanian, Istro |
| Glottolog Languoid Names | art-326 | Istro Romanian |
| Glottocode | art-327 | istr1245 |
| Glottolog Primary Key | art-328 | 38858 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 364 |
| Ethnologue Language Names | art-330 | Istrio-Romanian |
| Ethnologue Language Names | art-330 | Istro-Romanian |
| Ethnologue Language Names | art-330 | Romanian, Istro |
| 普通话 | cmn-000 | 伊斯特拉-罗马尼亚语 |
| English | eng-000 | Istro Romanian |
| English | eng-000 | Istro-Romanian |
| français | fra-000 | istrio-roumain |
| français | fra-000 | istro-roumain |
| limba istroromånă | ruo-000 | istroromånă |
| русский | rus-000 | истрорумынский |
| español | spa-000 | istro-rumano |
| español | spa-000 | istrorrumano |