William Iron Arm | |
|---|---|
Statue of William Iron Arm outside Coutances Cathedral | |
| Count of Apulia | |
| Reign | 1042 - 1046 |
| Successor | Drogo |
| Noble family | Hauteville |
| Spouse(s) | Guida of Sorrento |
| Father | Tancred |
| Mother | Muriella |
William of Hauteville (died 1046), better known with his nickname, William Iron Arm, was a Norman military leader and the first Count of Apulia. He initiated the series of fortunes of the House of Hauteville.