William of Werle | |
|---|---|
| Born | before 1394 |
| Died | 8 September 1436 Güstrow |
| Noble family | House of Mecklenburg |
| Spouse(s) | Anna of Anhalt Sophie of Pomerania |
| Issue | Catherine of Werle |
| Father | Lorenz of Werle |
| Mother | Matilda of Werle-Goldberg |
William of Werle (before 1393 or 1394 – 8 September 1436), was co-regent of Werle from 1418 to 1425, then the sole ruler from 1425 until his death. After 1426, he called himself "Prince of the Wends". He was a son of Lorenz of Werle-Güstrow and his wife Matilda of Werle-Goldberg.