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W
| Language name | Native name | Code |
|---|---|---|
| Wakashan languages | - | WAK |
| Walloon | Walon | WLN |
| Waray | Winaray, Lineyte-Samarnon | WAR |
| Washo | - | WAS |
| Welsh | Cymraeg | WEL |
| Western Frisian | Frysk | FRY |
| Wolaitta; Wolaytta | - | WAL |
| Wolof | Wolof | WOL |