Joseph O'Brien may refer to:
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Joseph Patrick O'Brien
Joseph Patrick O'Brien (born 23 May 1993) is an Irish horse racing trainer and former flat racing jockey. He is the son of trainer Aidan O'Brien.
In 2012 he rode Camelot to win the 2,000 Guineas, the 2012 Epsom Derby and the Ir ...
(born 1993), Irish jockey and racehorse trainer
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Joseph O'Brien (singer)
The thirteenth season of American talent show competition series ''America's Got Talent'' was broadcast on NBC from May 29 to September 19, 2018. There were no major changes to the program during the season; the guest judges for this season's ...
, American singer and songwriter
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Joseph C. O'Brien (born 1965), mayor of Worcester, Massachusetts, USA
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Joseph J. O'Brien (1897–1953), U.S. congressman from New York
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Joseph Leonard O'Brien
Joseph Leonard O'Brien (November 10, 1895 – June 18, 1973) was a Canadian politician and businessman. Born in South Nelson, New Brunswick, he was a member of the Legislative Assembly of New Brunswick from 1925 to 1930 and was Speaker of t ...
(1895–1973), lieutenant governor of New Brunswick
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Joseph O'Brien (rower)
Joseph "Jack" O'Brien (born 1 March 1998) is an Australian representative rower. He is an Australian national champion, has represented and won a silver medal at senior world championships and has won several gold medals at World Rowing Cups. H ...
, Australian rower
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Joe O'Brien (basketball) (born 1955), basketball player
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Joe O'Brien (footballer) (1875 – after 1906), Scottish football full back
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Joey O'Brien (born 1986), Irish international and former Bolton Wanderers footballer
{{Hndis, name=Obrien, Joseph