| ISO 639-3 Inverted Names | art-291 |
| Maithili | |
| ISO 639-3 | art-001 | mai |
| ISO 639-2/T | art-002 | mai |
| ISO 639-2/B | art-003 | mai |
| ISO 639-3 Reference Names | art-289 | Maithili |
| ISO 639-3 Print Names | art-290 | Maithili |
| 普通话 | cmn-000 | 米德勒语 |
| 普通话 | cmn-000 | 迈蒂利语 |
| Deutsch | deu-000 | Maithili |
| English | eng-000 | Maithili |
| français | fra-000 | maithili |
| मैथिली | mai-001 | मैथिली |
| русский | rus-000 | майтхили |
| español | spa-000 | maithili |