| svenska | swe-000 |
| Ludwig | |
| čeština | ces-000 | Ludvík |
| ελληνικά | ell-000 | Λουδοβίκος |
| Esperanto | epo-000 | Ludoviko |
| Esperanto | epo-000 | Luiso |
| Esperanto | epo-000 | Luizo |
| euskara | eus-000 | Koldo |
| euskara | eus-000 | Koldobika |
| euskara | eus-000 | Luis |
| français | fra-000 | Louis |
| italiano | ita-000 | Luigi |
| 日本語 | jpn-000 | ルドヴィコ |
| polski | pol-000 | Ludwik |
| slovenčina | slk-000 | Ľudovít |
| español | spa-000 | Luis |
| svenska | swe-000 | Ludvig |