| ISO 639-1 | art-004 |
| ia | |
| ISO 639-3 | art-001 | ina |
| ISO 639-2/T | art-002 | ina |
| ISO 639-2/B | art-003 | ina |
| ISO 639-3 Reference Names | art-289 | Interlingua (International Auxiliary Language Association) |
| ISO 639-3 Print Names | art-290 | Interlingua (International Auxiliary Language Association) |
| ISO 639-3 Inverted Names | art-291 | Interlingua (International Auxiliary Language Association) |
| 普通话 | cmn-000 | 国际语 |
| 普通话 | cmn-000 | 国际语A |
| Deutsch | deu-000 | Interlingua |
| English | eng-000 | Interlingua |
| français | fra-000 | interlingua |
| interlingua | ina-000 | interlingua |
| русский | rus-000 | интерлингва |
| español | spa-000 | interlingua |