| English | eng-000 |
| Porto | |
| العربية | arb-000 | بورتو |
| Universal Networking Language | art-253 | porto(iof>city>thing) |
| ISO 3166-2 | art-416 | PT-13 |
| asturianu | ast-000 | Portu |
| bosanski | bos-000 | Porto |
| বিষ্ণুপ্রিয়া মণিপুরী ভাষা | bpy-000 | পর্টো |
| български | bul-000 | Порто |
| català | cat-000 | Districte de Porto |
| català | cat-000 | Porto |
| čeština | ces-000 | Porto |
| 普通话 | cmn-000 | 波尔图 |
| 國語 | cmn-001 | 波圖 |
| 國語 | cmn-001 | 波爾圖區 |
| Kernowek | cor-000 | Porto |
| dansk | dan-000 | Porto |
| Deutsch | deu-000 | Distrikt Porto |
| Deutsch | deu-000 | Porto |
| eesti | ekk-000 | Porto |
| ελληνικά | ell-000 | Οπόρτο |
| ελληνικά | ell-000 | Πόρτο |
| English | eng-000 | Oporto |
| Esperanto | epo-000 | Porto |
| euskara | eus-000 | Porto |
| suomi | fin-000 | Oporto |
| suomi | fin-000 | Porto |
| suomi | fin-000 | Porton piiri |
| français | fra-000 | District de Porto |
| français | fra-000 | Porto |
| galego | glg-000 | Distrito do Porto |
| galego | glg-000 | Porto |
| עברית | heb-000 | פורטו |
| hrvatski | hrv-000 | Porto |
| magyar | hun-000 | Porto |
| Ido | ido-000 | Porto |
| bahasa Indonesia | ind-000 | Oporto |
| bahasa Indonesia | ind-000 | Porto |
| íslenska | isl-000 | Porto |
| italiano | ita-000 | Distretto di Oporto |
| italiano | ita-000 | Oporto |
| italiano | ita-000 | Porto |
| 日本語 | jpn-000 | オポルト |
| 日本語 | jpn-000 | ポルト |
| 日本語 | jpn-000 | ポルト県 |
| ქართული | kat-000 | პორტუ |
| latine | lat-000 | Portus Cale |
| lengua lumbarda | lmo-000 | Porto |
| latviešu | lvs-000 | Portu |
| македонски | mkd-000 | Порто |
| Nederlands | nld-000 | Porto |
| bokmål | nob-000 | Porto |
| فارسی | pes-000 | پورتو |
| polski | pol-000 | Porto |
| português | por-000 | Distrito do Porto |
| português | por-000 | Porto |
| română | ron-000 | Districtul Porto |
| română | ron-000 | Porto |
| русский | rus-000 | Порту |
| slovenčina | slk-000 | Porto |
| slovenščina | slv-000 | Porto |
| español | spa-000 | Distrito de Oporto |
| español | spa-000 | Oporto |
| svenska | swe-000 | Porto |
| lia-tetun | tet-000 | Portu |
| ภาษาไทย | tha-000 | เมืองปอร์โต |
| Türkçe | tur-000 | Porto |
| Talossan | tzl-000 | Oporto |
| українська | ukr-000 | Порту |
| Volapük | vol-000 | Porto |
| Bahasa Malaysia | zsm-000 | Oporto |