Ousanas

Ousanas
King of Aksum
Reignearly 320s to late 320s
PredecessorWazeba
SuccessorEzana
SpouseSofya
IssueEzana
Saizana
Hadefa

Ousanas (fl. 320), known as Ella Allada or Ella Amida in Eritrean and Ethiopian tradition, was the ruler of the Kingdom of Aksum in the 320s AD. Some historians believe that Christianity was introduced into Aksum during his reign. Little is known about his life, but he may have invaded and imposed tribute upon Nubia, and he may have had a "relatively long reign". His reign may have been briefly interrupted by the usurper Wazeba.

Stuart Munro-Hay believes that it is "very likely" that Ousanas is the king to whom Aedesius and Frumentius were brought. W.R.O. Hahn, in a study published in 1983, identifies Sembrouthes, who is known only from an inscription found in Daqqi Mahari in modern Eritrea, with Ousanas. If correct, this would give Ousanas a reign of at least 27 years.