Joseph Finnegan may refer to:
- Joseph Finegan (1814–1885), sometimes Finnegan, American businessman and general
- Joseph Finnegan (judge) (1942–2023), judge of the Supreme Court of Ireland
- Joseph Finnegan (cryptographer) (1905–1980), American linguist and cryptographer
- Joseph F. Finnegan (1904–1964), American labor mediator
This disambiguation page lists articles about people with the same name.
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