| ISO 639-3 Inverted Names | art-291 |
| Neapolitan | |
| ISO 639-3 | art-001 | nap |
| ISO 639-2/T | art-002 | nap |
| ISO 639-2/B | art-003 | nap |
| ISO 639-3 Reference Names | art-289 | Neapolitan |
| ISO 639-3 Print Names | art-290 | Neapolitan |
| 普通话 | cmn-000 | 拿坡里语 |
| Deutsch | deu-000 | Neapolitanisch |
| English | eng-000 | Neapolitan |
| français | fra-000 | napolitain |
| napulitano | nap-000 | nnapulitano |
| русский | rus-000 | неаполитанский |
| español | spa-000 | napolitano |