| Gaeilge | gle-000 |
| Caerdydd | |
| Afrikaans | afr-000 | Cardiff |
| العربية | arb-000 | كارديف |
| العربية | arb-000 | كَارْدِيف |
| тарашкевіца | bel-001 | Кардыф |
| বাংলা | ben-000 | কার্ডিফ |
| brezhoneg | bre-000 | Kerdiz |
| български | bul-000 | Кардиф |
| català | cat-000 | Cardiff |
| čeština | ces-000 | Cardiff |
| 普通话 | cmn-000 | 加的夫 |
| 國語 | cmn-001 | 加的夫 |
| Kernowek | cor-000 | Kardydh |
| Cymraeg | cym-000 | Caerdydd |
| dansk | dan-000 | Cardiff |
| Deutsch | deu-000 | Cardiff |
| eesti | ekk-000 | Cardiff |
| ελληνικά | ell-000 | Κάρντιφ |
| English | eng-000 | Cardiff |
| English | eng-000 | cardiff |
| Esperanto | epo-000 | Cardiff |
| euskara | eus-000 | Cardiff |
| suomi | fin-000 | Cardiff |
| français | fra-000 | Cardiff |
| Gàidhlig | gla-000 | Caerdydd |
| galego | glg-000 | Cardiff - Caerdydd |
| yn Ghaelg | glv-000 | Cayr Deeth |
| kreyòl ayisyen | hat-000 | Kadif |
| עברית | heb-000 | קארדיף |
| हिन्दी | hin-000 | कार्डिफ़ |
| hrvatski | hrv-000 | Cardiff |
| magyar | hun-000 | Cardiff |
| արևելահայերեն | hye-000 | Քարդիֆ |
| Ido | ido-000 | Cardiff |
| bahasa Indonesia | ind-000 | Cardiff |
| íslenska | isl-000 | Cardiff |
| italiano | ita-000 | Cardiff |
| 日本語 | jpn-000 | カーディフ |
| ქართული | kat-000 | კარდიფი |
| 한국어 | kor-000 | 카디프 |
| lietuvių | lit-000 | Kardifas |
| latviešu | lvs-000 | Kārdifa |
| മലയാളം | mal-000 | കാര്ഡിഫ് |
| मराठी | mar-000 | कार्डिफ |
| македонски | mkd-000 | Кардиф |
| Malti | mlt-000 | Kardiff |
| Plattdüütsch | nds-000 | Cardiff |
| Nederlands | nld-000 | Cardiff |
| bokmål | nob-000 | Cardiff |
| occitan | oci-000 | Cardiff |
| فارسی | pes-000 | کاردیف |
| lenga piemontèisa | pms-000 | Cardiff |
| polski | pol-000 | Cardiff |
| português | por-000 | Cardiff |
| Runa Simi | que-000 | Cardiff |
| română | ron-000 | Cardiff |
| русский | rus-000 | Ка́рдифф |
| русский | rus-000 | Кардифф |
| lingua siciliana | scn-000 | Cardiff |
| slovenčina | slk-000 | Cardiff |
| slovenščina | slv-000 | Cardiff |
| español | spa-000 | Cardiff |
| српски | srp-000 | Кардиф |
| svenska | swe-000 | Cardiff |
| Kiswahili | swh-000 | Cardiff |
| ภาษาไทย | tha-000 | คาร์ดิฟฟ์ |
| Türkçe | tur-000 | Cardiff |
| українська | ukr-000 | Кардіфф |
| tiếng Việt | vie-000 | Cardiff |
| Bahasa Malaysia | zsm-000 | Cardiff |