| ქართული | kat-000 |
| ნეაპოლური | |
| Afrikaans | afr-000 | Napolitaans |
| العربية | arb-000 | نابولية |
| ISO 639-PanLex | art-274 | nap-000 |
| IETF language tags | art-420 | nap |
| brezhoneg | bre-000 | napolitaneg |
| български | bul-000 | неаполитански |
| català | cat-000 | napolità |
| 普通话 | cmn-000 | 拿坡里语 |
| 普通话 | cmn-000 | 那不勒斯语 |
| Deutsch | deu-000 | Neapolitaner |
| Deutsch | deu-000 | Neapolitanerin |
| Deutsch | deu-000 | Neapolitanisch |
| eesti | ekk-000 | napoli keel |
| English | eng-000 | Italy |
| English | eng-000 | Neapolitan |
| Esperanto | epo-000 | napola |
| Esperanto | epo-000 | napolano |
| Esperanto | epo-000 | neapolano |
| euskara | eus-000 | Napoliera |
| suomi | fin-000 | Napolin kieli |
| français | fra-000 | Napolitain |
| français | fra-000 | Napolitaine |
| français | fra-000 | napolitain |
| Gaeilge | gle-000 | Naiplis |
| עברית | heb-000 | נפוליטנית |
| interlingua | ina-000 | neapolitana |
| interlingua | ina-000 | neapolitano |
| italiano | ita-000 | napoletane |
| italiano | ita-000 | napoletano |
| 日本語 | jpn-000 | ナポリ人 |
| 日本語 | jpn-000 | ナポリ語 |
| 한국어 | kor-000 | 나폴리어 |
| Kölsch | ksh-000 | Nappolletahnesch |
| napulitano | nap-000 | Nnapulitano |
| napulitano | nap-000 | napulitano |
| Nederlands | nld-000 | Napolitaans |
| nynorsk | nno-000 | napolitansk |
| nynorsk | nno-000 | napolitansk-kalabresisk |
| bokmål | nob-000 | napolitansk |
| lenga piemontèisa | pms-000 | napoletan |
| lenga piemontèisa | pms-000 | nàpoli |
| polski | pol-000 | Neapolitanin |
| polski | pol-000 | Neapolitanka |
| polski | pol-000 | neapolitański |
| português | por-000 | napolitana |
| português | por-000 | napolitano |
| русский | rus-000 | Неаполитанский |
| русский | rus-000 | неаполитанский |
| lingua siciliana | scn-000 | napulitanu |
| slovenčina | slk-000 | neapolčina |
| español | spa-000 | napolitano |
| svenska | swe-000 | neapolitanska |
| தமிழ் | tam-000 | நபுலிதான மொழி |