Bé Binn iníon Urchadha (or Beibhinn) was a Princess of the Uí Briúin Seóla and Queen of Thomond (fl.
[1] Bé Binn was a daughter of King Urchadh mac Murchadha of Maigh Seóla (reigned 891?-943).
The only child positively assigned to her by Cennétig - who had a number of wives - was High King of Ireland, Brian Boru (c. 941–23 April 1014).
After the death of Cennétig, she appears to have been remarried to a king of the Corco Modhruadh (Corcomroe), a region in north-west County Clare.
Her sister Creassa iníon Urchadha was a wife of King Tadg mac Cathail of Connacht, while another sister, Caineach iníon Urchadha, appears to have married the ancestor of the Clann Coscraig sept of the Uí Briúin Seóla.