Conor O'Brien may refer to:
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Conor O'Brien (died 1603), Irish nobleman and landowner
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Conor O'Brien (died 1651), Royalist Commander during the Irish Confederate Wars
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Edward Conor Marshall O'Brien (1880–1952), Irish aristocrat, republican, nationalist, sailor
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Conor Cruise O'Brien
Donal Conor David Dermot Donat Cruise O'Brien (3 November 1917 – 18 December 2008), often nicknamed "The Cruiser", was an Irish diplomat, politician, writer, historian and academic, who served as Minister for Posts and Telegraphs from 1973 ...
(1917–2008), Irish writer, politician, and diplomat
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Conor O'Brien, 18th Baron Inchiquin (born 1943), Irish peer
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Conor O'Brien (hurler) (born 1985), Tipperary intercounty player
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Conor O'Brien (soccer) (born 1988), American soccer player
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Conor O'Brien (rugby union) (born 1996), Irish rugby union player
* Conor O'Brien, Irish musician and member of
Villagers
See also
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Connor O'Brien (disambiguation)
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Conor O'Brian
Ryan Parmeter (born February 6, 1980) is an American professional wrestler, He is best known for his work in WWE, where he wrestled under the ring name Konnor. He was part of the fourth season of '' NXT'', and earned fourth place on the show's f ...
, American wrestler
{{hndis, Obrien, Conor