James O'Shaughnessy may refer to:
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James O'Shaughnessy (investor), American investor, the founder of O'Shaughnessy Asset Management, and the founder of O'Shaughnessy Ventures
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James O'Shaughnessy (American football), American football tight end
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James O'Shaughnessy, Baron O'Shaughnessy
James Richard O'Shaughnessy, Baron O'Shaughnessy (born 26 March 1976) is a British Conservative politician and member of the House of Lords. He authored the 2010 Conservative Party Manifesto titled 'An Invitation to Join the Government of Britai ...
, British politician
{{hndis, Oshaughnessy, James