William de Burgh

William de Burgh (c. 1160–1205/1206) was an Anglo-Norman from Norfolk who went to Ireland with John, lord of Ireland, in 1185. Henry II made him governor of Limerick and granted him wide lands in Leinster and Munster, where he served as seneschal of Munster from 1201 to 1203. About 1193 he married a daughter of Domnall Mór Ó Briain, king of Thomond.

He campaigned in Desmond and Connacht and took the title Lord of Connacht in 1203. He died in winter 1205/1206 and was buried at Athassel Priory, which he had founded.