Domnall Ua Ruairc (died 1102) was King of Connacht. Not much is known of King Domnall but it is stated that he defeated and slew in battle the previous king Tadg Mac Ruaidrí Ua Conchobair.

References

Leabhar na nGenealach, Dublin, 2004–2005
Annals of the Four Masters, ed. John O'Donovan, Dublin, 1856
Annals of Lough Ce, ed. W.M. Hennessey, London, 1871.
Irish Kings and High Kings, Francis John Byrne, 3rd revised edition, Dublin: Four Courts Press, 2001. ISBN 978-1-85182-196-9
"Ua Ruairc", in Seán Duffy (ed.), Medieval Ireland: An Encyclopedia. Routledge. 2005. pp.

Preceded byTadg mac Ruaidrí Ua Conchobair Kings of Connacht 1097–1102 Succeeded byDomnall Ua Conchobair

Kings of Ireland, circa 549–1175

Kings of Tara

Diarmait mac Cerbaill
Forggus mac Muirchertaig and Domnall Ilchelgach
Ainmuire
Báetán mac Muirchertaig and Eochaid mac Domnaill
Báetán mac Cairill
Áed mac Ainmuirech
Fiachnae mac Báetáin
Áed Sláine and Colmán Rímid
Áed Uaridnach
Máel Coba
Suibne Menn
Óengus mac Colmáin
Domnall mac Áedo
Congal Cáech
Cellach and Conall Cóel
Diarmait and Blathmac
Sechnassach
Cenn Fáelad
Fínsnechta Fledach
Loingsech
Congal Cennmagair
Fergal mac Máele Dúin
Cathal mac Finguine
Fogartach
Cináed
Flaithbertach
Áed Allán
Domnall Midi
Niall Frossach
Donnchad Midi
Áed Oirdnide
Conchobar mac Donnchada
Fedelmid mac Crimthainn
Niall Caille

Kings of Ireland

Máel Sechnaill mac Máele Ruanaid
Áed Findliath
Flann Sinna
Niall Glúndub
Donnchad Donn
Congalach Cnogba (Ruaidrí ua Canannáin)
Domnall ua Néill
Máel Sechnaill mac Domnaill
Brian Bóruma
Diarmait mac Maíl na mBó
Toirdelbach Ua Briain
Muirchertach Ua Briain
Domnall Ua Lochlainn
Toirdelbach Ua Conchobair
Muirchertach Mac Lochlainn
Ruaidrí Ua Conchobair