| Nederlands | nld-000 |
| Wels | |
| Afrikaans | afr-000 | Wallies |
| Afrikaans | afr-000 | Walliser |
| Afrikaans | afr-000 | wallies |
| Englisce sprǣc | ang-000 | Wielisc sprǣc |
| Englisce sprǣc | ang-000 | wielisc sprǣc |
| العربية | arb-000 | لغة ويلزية |
| Classical Arabic—ASJP | arb-001 | waylziyah |
| asturianu | ast-000 | galés |
| azərbaycanca | azj-000 | Valli dili |
| boarisch | bar-000 | Wöis |
| беларуская | bel-000 | валі́йская |
| беларуская | bel-000 | валі́йская мо́ва |
| беларуская | bel-000 | валіец |
| bosanski | bos-000 | Wels |
| brezhoneg | bre-000 | Kembread |
| brezhoneg | bre-000 | Kembreadez |
| brezhoneg | bre-000 | Wels |
| brezhoneg | bre-000 | kembraeg |
| brezhoneg | bre-000 | kembraek |
| brezhoneg | bre-000 | kembread |
| brezhoneg | bre-000 | kembreat |
| български | bul-000 | уелсец |
| български | bul-000 | уелски |
| català | cat-000 | Gal·lesa |
| català | cat-000 | Gal·lès |
| català | cat-000 | Wels |
| català | cat-000 | gal·lesa |
| català | cat-000 | gal·lès |
| čeština | ces-000 | Velšan |
| čeština | ces-000 | velšský |
| čeština | ces-000 | velština |
| ᏣᎳᎩ ᎧᏬᏂᎯᏍᏗ | chr-000 | ᏪᎸᏏ |
| Tsalagi Gawonihisdi | chr-001 | welvsi |
| 普通话 | cmn-000 | 威尔士 |
| 普通话 | cmn-000 | 威尔士人 |
| 普通话 | cmn-000 | 威尔士的 |
| 普通话 | cmn-000 | 威尔士语 |
| 普通话 | cmn-000 | 威尔斯 |
| 普通话 | cmn-000 | 威尔斯语 |
| 國語 | cmn-001 | 威爾士 |
| 國語 | cmn-001 | 威爾士語 |
| 國語 | cmn-001 | 威爾斯 |
| 國語 | cmn-001 | 威爾斯語 |
| Hànyǔ | cmn-003 | Wēiěrshì yǔ |
| Kernowek | cor-000 | Kembrek |
| Kernowek | cor-000 | Kembro |
| Kernowek | cor-000 | kembrek |
| Cymraeg | cym-000 | Cymraeg |
| Cymraeg | cym-000 | Cymraeg Gymraeg |
| Cymraeg | cym-000 | Cymraes |
| Cymraeg | cym-000 | Cymreig |
| Cymraeg | cym-000 | Cymro |
| Cymraeg | cym-000 | Cymry |
| Cymraeg | cym-000 | Gymraeg |
| dansk | dan-000 | waliser |
| dansk | dan-000 | walisisk |
| Deutsch | deu-000 | Waliser |
| Deutsch | deu-000 | Waliserin |
| Deutsch | deu-000 | Walisisch |
| Deutsch | deu-000 | Wels |
| Deutsch | deu-000 | aus Wales |
| Deutsch | deu-000 | kambrisch |
| Deutsch | deu-000 | walisisch |
| eesti | ekk-000 | Wels |
| eesti | ekk-000 | kõmri |
| eesti | ekk-000 | kõmri keel |
| eesti | ekk-000 | kõmrid |
| eesti | ekk-000 | ueilslased |
| eesti | ekk-000 | uelslane |
| eesti | ekk-000 | waleslased |
| ελληνικά | ell-000 | Ουαλικά |
| ελληνικά | ell-000 | ουαλικά |
| ελληνικά | ell-000 | ουαλική γλώσσα |
| ελληνικά | ell-000 | ουαλικός |
| Ellinika | ell-003 | Oualiká |
| English | eng-000 | Cymric |
| English | eng-000 | Wels |
| English | eng-000 | Welsh |
| English | eng-000 | Welshman |
| English | eng-000 | Welshwoman |
| English | eng-000 | welsh |
| Esperanto | epo-000 | kimra |
| Esperanto | epo-000 | kimra lingvo |
| Esperanto | epo-000 | kimrino |
| Esperanto | epo-000 | kimro |
| euskara | eus-000 | Galesera |
| euskara | eus-000 | galesera |
| euskara | eus-000 | galestar |
| suomi | fin-000 | Walesin |
| suomi | fin-000 | kambrikautinen |
| suomi | fin-000 | kambrinen |
| suomi | fin-000 | kielinen |
| suomi | fin-000 | kymri |
| suomi | fin-000 | kymrin |
| suomi | fin-000 | kymrin kieli |
| suomi | fin-000 | wales |
| suomi | fin-000 | walesilainen |
| suomi | fin-000 | walesin kieli |
| suomi | fin-000 | walesinkielinen |
| français | fra-000 | Gallois |
| français | fra-000 | Galloise |
| français | fra-000 | Wels |
| français | fra-000 | gallois |
| français | fra-000 | galloise |
| français | fra-000 | gallouais |
| Romant | fro-000 | galois |
| Gàidhlig | gla-000 | Cuimreach |
| Gàidhlig | gla-000 | Cuimris |
| Gàidhlig | gla-000 | cuimris |
| Gàidhlig | gla-000 | person |
| Gaeilge | gle-000 | Breatnach |
| Gaeilge | gle-000 | Breatnais |
| Gaeilge | gle-000 | breatnais |
| galego | glg-000 | galés |
| yn Ghaelg | glv-000 | Bretnagh |
| yn Ghaelg | glv-000 | Bretnish |
| Srpskohrvatski | hbs-001 | velški |
| Srpskohrvatski | hbs-001 | велшки |
| עברית | heb-000 | וולשית |
| עברית | heb-000 | ולס |
| עברית | heb-000 | ולשית |
| ISO 259-3 | heb-001 | welšit |
| magyar | hun-000 | kymri |
| magyar | hun-000 | velszi |
| magyar | hun-000 | walesi |
| magyar | hun-000 | walesi nyelv |
| արևելահայերեն | hye-000 | կիմրերեն |
| արևելահայերեն | hye-000 | ուելսերեն |
| արևելահայերեն | hye-000 | վալլիերեն |
| interlingua | ina-000 | gallese |
| italiano | ita-000 | Wels |
| italiano | ita-000 | cambriano |
| italiano | ita-000 | gallese |
| italiano | ita-000 | lingua gallese |
| la lojban. | jbo-000 | mraigo |
| 日本語 | jpn-000 | ウェールズご, ''Wēruzu''-go |
| 日本語 | jpn-000 | ウェールズ人 |
| 日本語 | jpn-000 | ウェールズ語 |
| 日本語 | jpn-000 | ヴェルス |
| ქართული | kat-000 | უელსური |
| Kurmancî | kmr-000 | weylsî |
| 한국어 | kor-000 | [[웨일스어]] |
| 한국어 | kor-000 | 웨일스어 |
| Hangungmal | kor-001 | Weilseu-eo |
| latine | lat-000 | Ovilava |
| latine | lat-000 | lingua Cambriana |
| latine | lat-000 | lingua cambriana |
| Limburgs | lim-000 | Gkuuemraegke |
| Limburgs | lim-000 | welsh |
| lietuvių | lit-000 | Velsas |
| मराठी | mar-000 | वेल्श |
| македонски | mkd-000 | Велшанец |
| македонски | mkd-000 | велшки |
| 台灣話 | nan-000 | 威爾士語 |
| Bân-lâm-gú | nan-005 | Cymru-gí |
| Plattdüütsch-Neddersassisch | nds-002 | Waliesch |
| Nederlands | nld-000 | Kymrisch |
| Nederlands | nld-000 | Welse |
| Nederlands | nld-000 | Welsh |
| Nederlands | nld-000 | Welshe |
| nynorsk | nno-000 | kymrisk |
| nynorsk | nno-000 | velsk |
| nynorsk | nno-000 | walisar |
| nynorsk | nno-000 | walisisk |
| bokmål | nob-000 | Wels |
| bokmål | nob-000 | kymrisk |
| bokmål | nob-000 | velsk |
| bokmål | nob-000 | waliser |
| bokmål | nob-000 | walisisk |
| bokmål | nob-000 | walisisk språk |
| नेपाली | npi-000 | वेल्स |
| occitan | oci-000 | gallés |
| occitan | oci-000 | galés |
| فارسی | pes-000 | ولزي |
| فارسی | pes-000 | ولزی |
| polski | pol-000 | Walijczyk |
| polski | pol-000 | Walijka |
| polski | pol-000 | Walijski |
| polski | pol-000 | Wels |
| polski | pol-000 | język walijski |
| polski | pol-000 | walijska |
| polski | pol-000 | walijski |
| polski | pol-000 | walijskie |
| português | por-000 | galesa |
| português | por-000 | galês |
| română | ron-000 | Wels |
| română | ron-000 | galez |
| română | ron-000 | galeză |
| română | ron-000 | limba galeză |
| română | ron-000 | limba velşă |
| română | ron-000 | limba velșă |
| română | ron-000 | velşă |
| română | ron-000 | velș |
| română | ron-000 | velșe |
| română | ron-000 | velși |
| română | ron-000 | velșă |
| русский | rus-000 | Вельс |
| русский | rus-000 | валли́йский |
| русский | rus-000 | валли́йский язы́к |
| русский | rus-000 | валлиец |
| русский | rus-000 | валлийский |
| русский | rus-000 | валлийский язык |
| русский | rus-000 | уэ́льский |
| русский | rus-000 | уэльский |
| slovenčina | slk-000 | Walešania |
| slovenčina | slk-000 | Wels |
| slovenčina | slk-000 | waleská |
| slovenčina | slk-000 | waleská waleské |
| slovenčina | slk-000 | waleský |
| slovenčina | slk-000 | waleština |
| slovenščina | slv-000 | Valižan |
| slovenščina | slv-000 | valižanščina |
| español | spa-000 | Wels |
| español | spa-000 | cámbrico |
| español | spa-000 | galesa |
| español | spa-000 | galés |
| español | spa-000 | idioma galés |
| shqip | sqi-000 | galez |
| sardu | srd-000 | gallesu |
| српски | srp-000 | Велшанин |
| svenska | swe-000 | Wels |
| svenska | swe-000 | kymrer |
| svenska | swe-000 | kymrisk |
| svenska | swe-000 | kymriska |
| svenska | swe-000 | valesiska |
| svenska | swe-000 | välska |
| svenska | swe-000 | walesare |
| svenska | swe-000 | walesisk |
| svenska | swe-000 | walesiska |
| svenska | swe-000 | walesiskt |
| Türkçe | tur-000 | Galce |
| українська | ukr-000 | валлієць |
| Volapük | vol-000 | Wels |
| Volapük | vol-000 | velsaynik |
| lingaedje walon | wln-000 | Walès |
| lingaedje walon | wln-000 | walès |
| Nourmaund | xno-000 | gallouais |
| 廣東話 | yue-000 | 威尔士语 |