Uí Briúin Seóla is a historical Gaelic dynasty located in the region of Connacht, Ireland. This lineage is part of the larger Uí Briúin group, which traces its ancestry to Brian Boru, a notable High King of Ireland. Uí Briúin Seóla was primarily based around the area of Lough Corrib and played a significant role in the local politics and culture during the medieval period. The dynasty is known for its contributions to the Gaelic heritage and its influence on the surrounding territories. Members of Uí Briúin Seóla were often involved in conflicts and alliances with other clans, such as the O'Flahertys and O'Connors, shaping the historical landscape of County Galway.