| suomi | fin-000 |
| suomenruotsi | |
| ISO 639-PanLex | art-274 | swe-003 |
| IETF language tags | art-420 | sv-FI |
| English | eng-000 | Fenno-Swedish |
| English | eng-000 | Finland Swedish |
| svenska | swe-000 | finlandssvenska |
| svenska | swe-000 | finlandssvenskan |
| finlandssvenska | swe-003 | finlandssvenska |