Patrick O'Brien (1817 – 12 April 1887) was a British wine and spirit merchant and politician in colonial Victoria, a member of the Victorian Legislative Council and later, the inaugural Victorian Legislative Assembly.
[1] O'Brien arrived in New South Wales in 1838 and Port Phillip District in 1840.
[1] In August 1853, he was elected to the unicameral Victorian Legislative Council for Kilmore, Kyneton and Seymour, a seat he held until the original Council was abolished in March 1856.
[1] O'Brien was elected to the seat of South Bourke in the first Victorian Legislative Assembly in November 1856, a seat he held until August 1859 when he lost his bid to be re-elected.
[1] O'Brien died in London, England, on 12 April 1887, aged 69 or 70.