William O'Brien can be:
- William O'Brien (1852–1928), Irish journalist and politician.
- William Smith O'Brien (1803–1864), Irish revolutionary
- Bill O'Brien (born 1929), English Labour MP for Normanton 1983–2005
- Bill O'Brien (American football) (born 1969), offensive assistant coach for the New England Patriots
- William X. O'Brien (1881–1968), founder of the Irish Transport and General Workers' Union
- William J. O'Brien, inventor of the Decca Navigator System.
- William O'Brien, 4th Earl of Inchiquin, 9th Baron Inchiquin, founder of the Royal Cork Yacht Club.
- William J. O'Brien (1836–1905), Congressional Delegate from Maryland (3rd District), United States House of Representatives, 1873–1877
- Parry O’Brien (1932-2007), American shot-put innovator
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This disambiguation page lists articles associated with the same human name. If an article link led you here, you may wish to change the link to point directly to the intended article. |
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