| Type: | Bishop |
| Alnothus | |
| Religion: | Christian |
| See: | Bishop of Dorchester |
| Consecration: | between 971 and 975 |
| Term End: | between 975 and 979 |
| Predecessor: | Leofwine, Bishop of Lincoln |
| Successor: | Ascwinus |
| Death Date: | between 975 and 979 |
Alnothus was a medieval Bishop of Dorchester, when the town was seat of the united dioceses of Lindsey and Dorchester.
Alnothus was consecrated between 971 and 975 and died between 975 and 979.[1]