Óengus II
| Óengus mac Fergusa | |
|---|---|
| King of the Picts | |
| Reign | 820–834 |
| Predecessor | Caustantín |
| Successor | Drest IX |
| Died | 834 |
| Father | Fergusa |
Óengus mac Fergusa (Angus MacFergus; Irish Onuist, Latinised Hungus) was king of the Picts from 820 until 834. In Scottish historiography, he is associated with the veneration of Saint Andrew, the patron saint of Scotland, although this has not been proven.