| English | eng-000 |
| William | |
| العربية | arb-000 | ويليام |
| العربية | arb-000 | وِيلْيَام |
| luenga aragonesa | arg-000 | Guillén |
| Universal Networking Language | art-253 | william(icl>name>abstract_thing,com>male,nam<person) |
| Sambahsa-mundialect | art-288 | Wilhelm |
| বাংলা | ben-000 | উইলিয়ম |
| বাংলা | ben-000 | উইলিয়াম |
| brezhoneg | bre-000 | Gwilherm |
| български | bul-000 | Вилхелм фон Вид |
| български | bul-000 | Уилям |
| català | cat-000 | Guillem |
| català | cat-000 | Guillem Frederic de Wied |
| català | cat-000 | Guillem de Prússia |
| català | cat-000 | Guim |
| català | cat-000 | William |
| čeština | ces-000 | Vilém |
| čeština | ces-000 | Vilém Habsburský |
| ᏣᎳᎩ ᎧᏬᏂᎯᏍᏗ | chr-000 | ᏫᎵᏯᎻ |
| Anishinaabemowin | ciw-000 | Winiyam |
| 普通话 | cmn-000 | 吉约姆 |
| 普通话 | cmn-000 | 威廉 |
| 普通话 | cmn-000 | 威廉皇储 |
| 國語 | cmn-001 | 威廉 |
| 國語 | cmn-001 | 威廉·泰爾 |
| Hànyǔ | cmn-003 | Wēilián |
| Kernowek | cor-000 | Wella |
| Cymraeg | cym-000 | Gwil |
| Cymraeg | cym-000 | Gwilim |
| Cymraeg | cym-000 | Gwillim |
| Cymraeg | cym-000 | Gwillym |
| Cymraeg | cym-000 | Gwilym |
| Cymraeg | cym-000 | William |
| dansk | dan-000 | Vilhelm |
| dansk | dan-000 | Willum |
| Deutsch | deu-000 | Wilhelm |
| Deutsch | deu-000 | Wilhelm I. |
| Deutsch | deu-000 | Wilhelm II. |
| Deutsch | deu-000 | Wilhelm IV. |
| Deutsch | deu-000 | Wilhelm der Jüngere |
| Deutsch | deu-000 | Wilhelm von Mainz |
| Deutsch | deu-000 | Wilhelm von Preußen |
| Deutsch | deu-000 | Wilhelm zu Wied |
| eesti | ekk-000 | Villem |
| eesti | ekk-000 | Villu |
| eesti | ekk-000 | Wilhelm |
| eesti | ekk-000 | William |
| ελληνικά | ell-000 | Γουλιέλμος |
| Ellinika | ell-003 | Gouliélmos |
| English | eng-000 | Bill |
| English | eng-000 | Wilkie |
| English | eng-000 | Will |
| English | eng-000 | Willis |
| Esperanto | epo-000 | Vilhelmo |
| Esperanto | epo-000 | Vilĉjo |
| euskara | eus-000 | Gillen |
| føroyskt | fao-000 | Vilhjálmur |
| suomi | fin-000 | Vilhe |
| suomi | fin-000 | Vilhelm |
| suomi | fin-000 | Vilhelmi |
| suomi | fin-000 | Vilho |
| suomi | fin-000 | Viljami |
| suomi | fin-000 | Viljo |
| suomi | fin-000 | Ville |
| suomi | fin-000 | Wilhe |
| français | fra-000 | Guillaume |
| français | fra-000 | Guillaume VIII de Brunswick |
| français | fra-000 | Guillaume de Mortain |
| français | fra-000 | Guillaume de Prusse |
| français | fra-000 | Guillaume de Wied |
| français | fra-000 | William |
| français | fra-000 | bon-chrétien |
| Frysk | fry-000 | Jelle |
| Gàidhlig | gla-000 | Liam |
| Gàidhlig | gla-000 | Uilleam |
| Gaeilge | gle-000 | Liam |
| Gaeilge | gle-000 | Uilleag |
| Gaeilge | gle-000 | Uilliam |
| Gaeilge | gle-000 | Ulick |
| galego | glg-000 | Guillerme |
| galego | glg-000 | William |
| yn Ghaelg | glv-000 | Illiam |
| ʻōlelo Hawaiʻi | haw-000 | Uilama |
| ʻōlelo Hawaiʻi | haw-000 | Wiliama |
| Srpskohrvatski | hbs-001 | Vilim |
| עברית | heb-000 | ווילהלם |
| עברית | heb-000 | ויליאם |
| हिन्दी | hin-000 | विलियम |
| hrvatski | hrv-000 | Vilim |
| hrvatski | hrv-000 | Viljem |
| hrvatski | hrv-000 | William |
| magyar | hun-000 | I. Vilmos albán király |
| magyar | hun-000 | II. Vilmos osztrák őrgróf |
| magyar | hun-000 | Vilmos |
| magyar | hun-000 | Vilmos osztrák herceg |
| magyar | hun-000 | Vilmós |
| արևելահայերեն | hye-000 | Գուլիելմոս |
| արևելահայերեն | hye-000 | Վիլհելմ |
| íslenska | isl-000 | Vilhjálmur |
| italiano | ita-000 | Guglielmo |
| italiano | ita-000 | Guglielmo I d’Asburgo |
| 日本語 | jpn-000 | ウィリアム |
| 日本語 | jpn-000 | ギヨーム |
| 日本語 | jpn-000 | ヴィルヘルム4世 |
| 日本語 | jpn-000 | ヴィルヘルム・フォン・プロイセン |
| 日本語 | jpn-000 | ヴィルヘルム・フリードリヒ・ツー・ヴィート |
| Nihongo | jpn-001 | Viruherumu |
| қазақ | kaz-000 | Уильям |
| 한국어 | kor-000 | 윌리엄 |
| latine | lat-000 | Guilielmus |
| latine | lat-000 | Gulielmus |
| latine | lat-000 | Willelmus |
| lietuvių | lit-000 | Vilhelmas |
| lietuvių | lit-000 | Vilius |
| latviešu | lvs-000 | Vilhelms |
| latviešu | lvs-000 | Vilis |
| latviešu | lvs-000 | Viljams |
| latviešu | lvs-000 | Viļums |
| македонски | mkd-000 | Вилијам |
| reo Māori | mri-000 | Wiremu |
| Plattdüütsch-Neddersassisch | nds-002 | Willem |
| Plattdüütsch-Neddersassisch | nds-002 | Willken |
| Plattdüütsch-Neddersassisch | nds-002 | Willm |
| Plattdüütsch-Neddersassisch | nds-002 | Wilm |
| Nederlands | nld-000 | Wilhelm van Pruisen |
| Nederlands | nld-000 | Wilhelm zu Wied |
| Nederlands | nld-000 | Willem |
| Nederlands | nld-000 | Willem I van Stiermarken |
| Nederlands | nld-000 | Willem V van Brunswijk-Lüneburg |
| Nederlands | nld-000 | Willem van Brunswijk |
| Nederlands | nld-000 | Willem van Nassau-Weilburg |
| Nederlands | nld-000 | Willem van Poitiers |
| Nederlands | nld-000 | Wim |
| bokmål | nob-000 | Vellum |
| bokmål | nob-000 | Vilhelm |
| bokmål | nob-000 | Viljen |
| bokmål | nob-000 | Villem |
| bokmål | nob-000 | Villiam |
| bokmål | nob-000 | Villum |
| bokmål | nob-000 | Wilhelm av Preussen |
| norskr | non-000 | Vilhjalmr |
| norskr | non-000 | Vilhjamr |
| norskr | non-000 | Vilhjálmr |
| occitan | oci-000 | Guilhem |
| occitan | oci-000 | Guilhèm |
| فارسی | pes-000 | ویلیام |
| polski | pol-000 | Wilhelm |
| polski | pol-000 | Wilhelm Habsburg |
| polski | pol-000 | Wilhelm Hohenzollern |
| polski | pol-000 | Wilhelm II z Marchii Wschodniej |
| polski | pol-000 | Wilhelm de Mortain |
| polski | pol-000 | Wilhelm de Poitiers |
| polski | pol-000 | Wilhelm von Wied |
| português | por-000 | Guilherme |
| português | por-000 | Guilherme de Wied |
| română | ron-000 | Vilhelm |
| română | ron-000 | Wilhelm de Wied |
| русский | rus-000 | Ви́льям |
| русский | rus-000 | Вильге́льм |
| русский | rus-000 | Вильгельм |
| русский | rus-000 | Вилья́м |
| русский | rus-000 | Вильям |
| русский | rus-000 | Уи́льям |
| русский | rus-000 | Уилья́м |
| русский | rus-000 | Уильям |
| russkij | rus-001 | Vilʹgelʹm |
| Scots leid | sco-000 | Weelum |
| Scots leid | sco-000 | Willum |
| slovenčina | slk-000 | Viliam |
| slovenščina | slv-000 | Vili |
| slovenščina | slv-000 | Viljem |
| slovenščina | slv-000 | Vilko |
| español | spa-000 | Guille |
| español | spa-000 | Guillermo |
| español | spa-000 | Guillermo Federico de Wied |
| español | spa-000 | Guillermo de Prusia |
| español | spa-000 | Leopoldo IV de Austria |
| español | spa-000 | William |
| српски | srp-000 | Вилим |
| srpski | srp-001 | Vilim |
| svenska | swe-000 | Velam |
| svenska | swe-000 | Vilhelm |
| svenska | swe-000 | Vilhelm I av Nassau |
| svenska | swe-000 | Viljam |
| svenska | swe-000 | Villam |
| svenska | swe-000 | Villem |
| svenska | swe-000 | Wilhelm |
| svenska | swe-000 | Wilhelm av Wied |
| svenska | swe-000 | Wilhelm d.y. av Braunschweig-Lüneburg |
| தமிழ் | tam-000 | வில்லியம் |
| Talossan | tzl-000 | Vitxalmour |
| українська | ukr-000 | Вільгельм |
| Vlaams | vls-000 | Guildhelm |
| Volapük | vol-000 | William |
| ייִדיש | ydd-000 | װֶעלװֶעל |
| 廣東話 | yue-000 | 威廉 |