|Donnchadh Ó Corráin|
|Born||February 28, 1942|
|Died||October 25, 2017(aged 75)|
|Fields||History of Ireland|
|Institutions||University College Dublin, Cambridge University, University of Pennsylvania, University of Oslo and Balliol College|
Donnchadh Ó Corráin (28 February 1942 – 25 October 2017) was an Irish historian and Professor Emeritus of Medieval History at University College Cork. He earned his BA in History and Irish from that institution, graduating in 1964.
He was an early Irish and mediaeval historian and published on the Viking Wars, Ireland in the pre-Hiberno-Norman period and the origin of Irish language names. In addition to his position at UCC, he held academic positions at University College Dublin, Cambridge University, University of Pennsylvania, University of Oslo and Oxford University, where he was a Fellow of Balliol College.