| العربية | arb-000 |
| ويليام | |
| luenga aragonesa | arg-000 | Guillén |
| বাংলা | ben-000 | উইলিয়াম |
| brezhoneg | bre-000 | Gwilherm |
| български | bul-000 | Уилям |
| català | cat-000 | Guillem |
| čeština | ces-000 | Vilém |
| ᏣᎳᎩ ᎧᏬᏂᎯᏍᏗ | chr-000 | ᏫᎵᏯᎻ |
| 普通话 | cmn-000 | 威廉 |
| 國語 | cmn-001 | 威廉 |
| Kernowek | cor-000 | Wella |
| Cymraeg | cym-000 | Gwillim |
| Cymraeg | cym-000 | Gwilym |
| dansk | dan-000 | Vilhelm |
| Deutsch | deu-000 | Wilhelm |
| eesti | ekk-000 | Villem |
| ελληνικά | ell-000 | Γουλιέλμος |
| English | eng-000 | William |
| Esperanto | epo-000 | Vilhelmo |
| føroyskt | fao-000 | Vilhjálmur |
| suomi | fin-000 | Vilhelm |
| suomi | fin-000 | Vilhelmi |
| français | fra-000 | Guillaume |
| Gàidhlig | gla-000 | Uilleam |
| Gaeilge | gle-000 | Liam |
| Gaeilge | gle-000 | Uilliam |
| galego | glg-000 | Guillerme |
| ʻōlelo Hawaiʻi | haw-000 | Uilama |
| ʻōlelo Hawaiʻi | haw-000 | Wiliama |
| עברית | heb-000 | ווילהלם |
| hrvatski | hrv-000 | Vilim |
| magyar | hun-000 | Vilmos |
| íslenska | isl-000 | Vilhjálmur |
| italiano | ita-000 | Guglielmo |
| 日本語 | jpn-000 | ウィリアム |
| latine | lat-000 | Gulielmus |
| lietuvių | lit-000 | Vilhelmas |
| latviešu | lvs-000 | Viljams |
| македонски | mkd-000 | Вилијам |
| Plattdüütsch-Neddersassisch | nds-002 | Willem |
| Plattdüütsch-Neddersassisch | nds-002 | Wilm |
| Nederlands | nld-000 | Willem |
| bokmål | nob-000 | Vilhelm |
| occitan | oci-000 | Guilhèm |
| polski | pol-000 | Wilhelm |
| português | por-000 | Guilherme |
| română | ron-000 | Vilhelm |
| русский | rus-000 | Вильгельм |
| slovenčina | slk-000 | Viliam |
| slovenščina | slv-000 | Viljem |
| español | spa-000 | Guillermo |
| svenska | swe-000 | Vilhelm |
| தமிழ் | tam-000 | வில்லியம் |
| українська | ukr-000 | Вільгельм |