This article lists the kings and lords of Clandeboye (Irish: Clann Aodha BuÃÂdhe), a Gaelic túath of the Cenél nEógain, located in the eastern part of Ulster in the north of Ireland. They are listed from their date of ascension to date of death, unless otherwise stated.
|- | Brian O'Neill<br /> 1283âÂÂ1295<br /> || || Son of Hugh Boy O'Neill and Eleanor de Angulo ||unknown || 1295 |- | Henry O'Neill<br /> 1295âÂÂ1347<br /> || || Son of Brian O'Neill ||unknown || 1347 |-
|- | Muirchertach Ceannfada O'Neill<br /> 1347âÂÂ1395<br /> || || Son of Henry O'Neill ||unknown || 1395 |- | Brian Ballagh O'Neill<br /> 1395âÂÂ1425<br /> || || Son of Muirchertach Ceannfada O'Neill ||unknown || 1425 |- | Murtagh Roe O'Neill<br /> 1425âÂÂ1441<br />1444âÂÂ1468<br /> || || Son of Brian Ballagh O'Neill ||unknown || 1468 |- | Hugh Boy II O'Neill<br /> 1441âÂÂ1444<br /> || || Son of Brian Ballagh O'Neill ||Finola O'Connor<br /> (died 1493) || 2 May 1444 |- | Conn O'Neill<br /> 1468âÂÂ1482<br /> || || Son of Hugh Boy II O'Neill and Finola O'Connor||Mary MacDonald || 1482 |- | Niall Mór O'Neill<br /> 1482âÂÂ1512<br /> || || Son of Conn O'Neill and Mary MacDonald||Inion Dubh O'Donnell || 1512 |- | Hugh Dubh O'Neill<br /> 1512âÂÂ1524<br /> || || Son of Niall Mór O'Neill and Inion Dubh O'Donnell||unknown|| 1524 |- | Brian Ballagh II O'Neill<br /> 1524âÂÂ1529<br /> || || Son of Niall Mór O'Neill and Inion Dubh O'Donnell ||unknown|| 1529 |- | Phelim Bacagh O'Neill<br /> 1529âÂÂ1533<br /> || || Son of Niall Mór O'Neill and Inion Dubh O'Donnell ||unknown|| 1533 |- | Niall Oge O'Neill<br /> 1533âÂÂ1537<br /> || || Son of Niall Mór O'Neill and Inion Dubh O'Donnell ||unknown|| 1537 |- | Murtagh Dulenach O'Neill<br /> 1537âÂÂ<br /> || || Son of Niall Mór O'Neill and Inion Dubh O'Donnell ||unknown|| after 1556 |-
Murtagh Dulenaach O'Neill was the last to claim overlordship of all Clandeboye. During his reign the sons of Phelim Bacagh and Niall Oge founded their own lordships at Murtagh's expense, reducing him to lord in name only. The Annals of the Four Masters regarded Hugh, son of Niall Oge, as lord of Clandeboye until his death in 1555.
The lordship of Lower Clandeboye (also known as Northern Clandeboye) was founded by the sons of Phelim Bacagh O'Neill. This covered the north of what is today County Down.
|- | Sir Brian McPhelim O'Neill<br /> 1556âÂÂ1575<br /> || || Son of Phelim Bacagh O'Neill ||unknown || 20 January 1575 |-
|- | Shane McBrian O'Neill<br /> 1584âÂÂ1616<br /> || || Son of Sir Brian McPhelim O'Neill ||unknown || 1616 |-
|- | Hugh Oge McHugh O'Neill<br /> 1584âÂÂ1586<br /> || || Son of Hugh O'Neill son of Phelim Bacagh O'Neill ||unknown || 1586 |- | Neill McHugh O'Neill<br /> 1586âÂÂ1600<br /> || || Son of Hugh O'Neill son of Phelim Bacagh O'Neill ||unknown || 1600 |-
The lordship of Upper Clandeboye (also known as Southern Clandeboye) was founded by the sons of Niall Oge O'Neill. This covered the south of what is today County Antrim.
|- | Brian Faghartach O'Neill<br /> âÂÂ1548<br /> || || Son of Niall Oge O'Neill ||unknown || 1548 |- | Niall McBrian Fertagh O'Neill<br /> 1548âÂÂ1584<br /> || || Son of Brian Faghartach O'Neill ||unknown || 1601 |- | Conn McNeill O'Neill<br /> 1584âÂÂ1619<br /> || || Son of Niall McBrian Fertagh O'Neill ||unknown || 1619 |-