| Type: | Bishop |
| Aldherdus | |
| Bishop of Elmham | |
| Religion: | Christian |
| Appointed: | before 785 |
| Term End: | after 805 |
| Predecessor: | Æthelwulf |
| Successor: | Sybba |
| Consecration: | before 785 |
| Death Date: | after 805 |
Aldherus was a medieval Bishop of Elmham.
Aldherus was consecrated before 785 and died sometime after 805.[1]