John O'Brien

John O'Brien may refer to:

Public officials

American

• John O'Brien (Ohio politician) (died 1985), former member of the Ohio House of Representatives
• John F. O'Brien (secretary of state) (c. 1850–1927), Secretary of State of New York, 1903–1906
• John F. O'Brien (1874–1939), New York Court of Appeals judge
• John H. O'Brien, 4th Fire Commissioner of the City of New York
• John J. O'Brien (commissioner) former commissioner of the Massachusetts Probation Service
• John J. O'Brien (civil servant), John Joseph O'Brien, investigated the assassination of President John F. Kennedy
• John P. O'Brien (1873–1951), Mayor of New York City
• Joseph John O'Brien, 1939 - 1945 Republican member of the United States House of Representatives from New York

Irish

• Ignatius O'Brien, 1st Baron Shandon (1857–1930), Lord Chancellor of Ireland, 1913–1918
• John O'Brien (bishop) (died 1767), Irish Bishop of Cork and Cloyne
• John O'Brien (priest) (1931–2008), Irish Roman Catholic priest and musician
• John Thomond O'Brien (1786–1861), Irish soldier in the Argentine War of Independence

British

• John O'Brien (UK politician), far right figure, onetime leader of the British National Front
• Sir Terence O'Brien (colonial governor) (John Terence Nicholls O'Brien, 1830–1904), British surveyor, engineer and colonial governor

Canadian

• John O'Brien (Canadian politician) (1847–1917), merchant and political figure in New Brunswick, Canada
• John O'Brien (admiral) (1918–1996), commander of the Royal Canadian Navy

New Zealand

• John O'Brien (New Zealand politician) (1924–1990), New Zealand political candidate and party leader

Sports

Baseball

• John O'Brien (outfielder) (1851–1914), baseball outfielder
• John O'Brien (second baseman) (1866–1913), baseball infielder
• Johnny O'Brien (born 1930), 1950's baseball second baseman
• Cinders O'Brien (John F. O'Brien, 1867–1892), baseball pitcher

Football

• John O'Brien (Dublin Gaelic footballer), senior inter-county Gaelic footballer for Dublin and Round Towers, Clondalkin
• John O'Brien (Louth Gaelic footballer) (born 1985), Gaelic footballer for Louth
• John O'Brien (soccer) (born 1977), American soccer player

Other

• John O'Brien (basketball, born 1888) (1888–1967), American basketball referee and executive
• John O'Brien (basketball, born 1916) (1916–1994), American professional basketball player in the 1940s
• John O'Brien (boxer) (1937-1979), Scottish boxer of the 1960s and '70s
• John O'Brien (cricketer) (born 1961), former English cricketer
• John O'Brien (hurler) (born 1982), Irish hurler
• John O'Brien (rower) (born 1927), New Zealand representative rower
• John O'Brien (tennis) (born 1932), Australian tennis player and hostage in the 2014 Sydney hostage crisis
• John Ambrose O'Brien (1885–1968), founding owner of the Montreal Canadiens ice hockey team

Artists

• John O'Brien (marine artist) (1831–1891), Canadian marine artist
• John O'Brien (novelist) (1960–1994), American author
• John O'Brien (filmmaker) (born 1962), Vermont film director
• John B. O'Brien (1884–1936), American actor and director
• John O'Brien (advocate) Disability Inclusion advocate and writer
• Patrick Joseph Hartigan (1878–1952), "John O'Brien" was the pseudonym adopted by the Australian priest, poet and author

See also

• Jack O'Brien (disambiguation)