| Language | Name | Code |
|---|---|---|
| Arabic | فيلياندي | ar |
| arz | فيلياندى | arz |
| Azerbaijani | Vilyandi | az |
| Bavarian | Viljandi | bar |
| Belarusian | Вільяндзі | be |
| be-tarask | Вільяндзі | be-tarask |
| Bulgarian | Вилянди | bg |
| Catalan | Viljandi | ca |
| Cebuano | Viljandi | ceb |
| Czech | Viljandi | cs |
| Welsh | Viljandi, Estonia | cy |
| Danish | Viljandi | da |
| German | Viljandi | de |
| de-ch | Viljandi | de-ch |
| diq | Viljandi | diq |
| Modern Greek (1453-) | Βιλιάντι | el |
| English | Viljandi | en |
| en-ca | Viljandi | en-ca |
| en-gb | Viljandi | en-gb |
| Esperanto | Viljandi | eo |
| Spanish | Viljandi | es |
| Estonian | Viljandi | et |
| Basque | Viljandi | eu |
| Persian | ویلیاندی | fa |
| Finnish | Viljandi | fi |
| French | Viljandi | fr |
| frr | Viljandi | frr |
| Irish | Viljandi | ga |
| Scottish Gaelic | Viljandi | gd |
| Galician | Viljandi | gl |
| Hebrew | ויליאנדי | he |
| Croatian | Viljandi | hr |
| Upper Sorbian | Viljandi | hsb |
| Hungarian | Viljandi | hu |
| Armenian | Վիլյանդի | hy |
| Indonesian | Viljandi | id |
| Icelandic | Viljandi | is |
| Italian | Viljandi | it |
| Japanese | ヴィリャンディ | ja |
| Georgian | ვილიანდი | ka |
| Kazakh | Вильянди | kk |
| Kalaallisut | Viljandi | kl |
| Korean | 빌리안디 | ko |
| Lithuanian | Viljandis | lt |
| Latvian | Viljandi | lv |
| mdf | Вильянди | mdf |
| mhr | Вильянди | mhr |
| Macedonian | Вилјанди | mk |
| Mongolian | Вильянди | mn |
| mrj | Вильянди | mrj |
| myv | Вильянди ош | myv |
| Nauru | Viljandi | na |
| Norwegian Bokmål | Viljandi | nb |
| Low German | Viljandi | nds |
| Dutch | Viljandi | nl |
| Norwegian Nynorsk | Viljandi | nn |
| Occitan (post 1500) | Viljandi | oc |
| Ossetian | Вильянди | os |
| Polish | Viljandi | pl |
| Portuguese | Viljandi | pt |
| pt-br | Viljandi | pt-br |
| Quechua | Viljandi | qu |
| Romanian | Viljandi | ro |
| Russian | Вильянди | ru |
| Scots | Viljandi | sco |
| sgs | Viljandis | sgs |
| sh | Viljandi | sh |
| Slovak | Viljandi | sk |
| Slovenian | Viljandi | sl |
| Albanian | Viljandi | sq |
| Serbian | Виљанди | sr |
| Swedish | Viljandi | sv |
| Turkish | Viljandi | tr |
| Tatar | Вильянди | tt |
| udm | Вильянди | udm |
| Ukrainian | Вільянді | uk |
| Urdu | ویلیاندی | ur |
| vep | Vil'jandi | vep |
| Vietnamese | Viljandi | vi |
| Volapük | Viljandi | vo |
| vro | Viländi | vro |
| Wu Chinese | 维尔扬迪 | wuu |
| Chinese | 維爾揚迪 | zh |
| zh-cn | 维尔扬迪 | zh-cn |
| zh-hans | 维尔扬迪 | zh-hans |
| zh-hant | 維爾揚迪 | zh-hant |