John O'Leary may refer to:
Arts and entertainment
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John O'Leary (journalist), editor of the Times Higher Education Supplement
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John O'Leary (actor), (1926–2019), American actor in ''
My Chauffeur''
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John O'Leary (blues harmonica artist), British blues harmonica player, originally with the band
Savoy Brown
Savoy Brown (originally Savoy Brown Blues Band) were an English blues rock band formed in Battersea, south west London, in 1965. Part of the late 1960s blues rock movement, Savoy Brown primarily achieved success in the United States, where t ...
Government and politics
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John O'Leary (ambassador) (1947–2005), U.S. ambassador to Chile
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John O'Leary (Fenian)
John O'Leary (23 July 1830 – 16 March 1907Alan O'Day, O'Leary, John (1830–1907), Oxford Dictionary of National Biography, Oxford University Press, Sept 2004; online edn, May 2006) was an Irish separatist and a leading Fenian. He studie ...
(1830–1907), Irish nationalist who was imprisoned in England
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John O'Leary (Kerry politician) (1933–2015), Irish Fianna Fáil party politician and TD for Kerry South
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John O'Leary (Wexford politician) (1894–1959), Irish Labour party politician and TD for Wexford
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John F. O'Leary (1926–1987), U.S. head of Federal Energy Administration
Sports
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John O'Leary (Canadian football) (born 1954), Canadian football running back
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John O'Leary (Gaelic footballer)
John O'Leary (born 1961) is a Dublin-born Gaelic footballer who played for the O'Dwyers club and at senior level for the Dublin county team. He is an area manager for Permanent TSB and in 2007 was a candidate for Fianna Fáil in the constit ...
(born 1961), Irish Gaelic footballer
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John O'Leary (golfer) (1949–2020), Irish golfer
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John O'Leary (sport shooter) (1880–?), British Olympic sport shooter
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Jack O'Leary (c. 1929–1983), American football and basketball coach, college athletics administrator
See also
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John Leary (disambiguation)
{{human name disambiguation, Oleary, John