| ISO 639-3 Inverted Names | art-291 |
| Interlingue | |
| ISO 639-3 | art-001 | ile |
| ISO 639-2/T | art-002 | ile |
| ISO 639-2/B | art-003 | ile |
| ISO 639-1 | art-004 | ie |
| ISO 639-3 Reference Names | art-289 | Interlingue |
| ISO 639-3 Print Names | art-290 | Interlingue |
| ISO 639-3 Print Names | art-290 | Occidental |
| ISO 639-3 Inverted Names | art-291 | Occidental |
| 普通话 | cmn-000 | 国际语E |
| 普通话 | cmn-000 | 西方国际语 |
| Deutsch | deu-000 | Interlingue |
| English | eng-000 | Interlingue |
| français | fra-000 | interlingue |
| Interlingue | ile-000 | Interlingue |
| русский | rus-000 | интерлингве |
| español | spa-000 | interlingue |