| Name of Family or Major Holdings -W- | Place of Origin |
| von Wagrien-Stormarn | Ascania* |
| von Waldensee | Ascania* |
| the Wends [King of] | Denmark [royal] |
| von Werben | Ascania* |
| von Westarp | Ascania* |
| Wetterhamn [Riddermarck] | Sweden |
| de Wigby [Sparre af Sjælland] | Denmark |
| Williams [aka. Gyllencreutz] | Sweden -> US |
| Wohlberg | Sweden |
| Wrede-Sparre | Sweden |
| von Wunstorf [von Roden] | Germany |