Patrick Hennessy

Patrick Hennessy may refer to:

• Sir Patrick Hennessy (industrialist) (1898–1981), Irish-born British industrialist
• Patrick Hennessy (journalist) (born 1963), British journalist
• Patrick Hennessy (painter) (1915–1980), Irish artist
• Patrick Hennessey (trade unionist), Irish trade unionist and political radical
• Patrick Hennessey (barrister) (born 1982), British barrister and author