| Serlo I of Hauteville | |
| Seigneur of Hauteville-la-Guichard | |
| More: | no |
| Predecessor: | Tancred |
| Successor: | Serlo II |
| Issue: | Serlo II of Hauteville |
| Noble Family: | Hauteville |
| Father: | Tancred of Hauteville |
| Mother: | Muriella |
| Birth Date: | before 1010 |
| Birth Place: | after 1041 |
| Religion: | Christian |
| Occupation: | lord, warrior |
| Website: | | module = } |