Óengus mac Fergusa may refer to: *

Óengus I Óengus son of Fergus (; ; died 761) was king of the Picts from 732 until his death in 761. His reign can be reconstructed in some detail from a variety of sources. The unprecedented territorial gains he made from coast to coast, and the lega ...

(before 700–761), monarch a/k/a Onuist, anglicised as Angus son of Fergus, who, from 732 to 761, reigned as king of Pictland, also referenced as Pictavia, located in northeastern region of land later unified as Scotland *

Óengus II 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 ...

(before 780–834), king of Picts, a/k/a Onuist, Hungus or Angus, from 820 until 834, traditionally associated with cult of Saint Andrew and flag of Scotland; included in Duan Albanach's praise poem from reign of Máel Coluim

See also