| Nederlands | nld-000 |
| Gustaaf | |
| বাংলা | ben-000 | গুস্তাভ |
| čeština | ces-000 | Gustav |
| dansk | dan-000 | Gustav |
| Deutsch | deu-000 | Gustav |
| eesti | ekk-000 | Gustav |
| eesti | ekk-000 | Kustav |
| ελληνικά | ell-000 | Γουσταύος |
| English | eng-000 | Gustav |
| Esperanto | epo-000 | Gustavo |
| suomi | fin-000 | Kustaa |
| français | fra-000 | Gustave |
| magyar | hun-000 | Gusztáv |
| íslenska | isl-000 | Gústaf |
| íslenska | isl-000 | Gústav |
| italiano | ita-000 | Gustavo |
| latviešu | lvs-000 | Gustavs |
| bokmål | nob-000 | Gustav |
| polski | pol-000 | Gustaw |
| português | por-000 | Gustavo |
| русский | rus-000 | Густав |
| español | spa-000 | Gustavo |
| svenska | swe-000 | Gustaf |
| svenska | swe-000 | Gustav |