| Willem | | VIL-ləm, WIL-ləm | Dutch | |
| Willemijn | | vil-lə-MIEN, wil-lə-MIEN | Dutch | |
| Willemina | | vil-lə-MEE-nah, wil-lə-MEE-nah | Dutch | |
| Willifrid | | - | Ancient Germanic | |
| Willihard | | - | Ancient Germanic | |
| Willy | | WIL-ee (English), VI-lee (German), WIL-lee (Dutch), VIL-lee (Dutch) | English, German, Dutch | |
| Wilma | | VIL-mah (German, Dutch), WIL-mah (Dutch), WIL-mə (English) | German, Dutch, English | |
| Wim | | VIM (Dutch), WIM (Dutch) | Dutch, German | |
| Winifrid | | - | Ancient Germanic | |
| Winoc | | - | Breton, French | |
| Winona | | wi-NON-ə (English) | English, Native American, Sioux | |
| WitoŁD | | - | Polish (Archaic) | |
| Wob | | VAWP (Dutch), WAWP (Dutch) | Frisian, Dutch | |
| Wodan | | VO-dahn (German) | Germanic Mythology | |
| Wolf | | WUWLF (English) | German, Jewish, English (Rare), Ancient Germanic | |