Sir Patrick O'Brien, 2nd Baronet (1823 – 23 April 1895) was an Irish politician.
He was elected in 1852 as a Member of Parliament for King's County (now County Offaly), and held the seat until the constituency was divided at the 1885 general election.
| Parliament of the United Kingdom | ||
|---|---|---|
| Preceded by John Westenra Sir Andrew Armstrong |
Member of Parliament for King's County with Loftus Henry Bland 1852 – 1859 John Pope Hennessy 1859 – 1865 John Gilbert King 1865 – 1868 David Sherlock 1868 – 1880 Bernard Molloy 1880 – 1895 1852 – 1885 |
Constituency divided |
| Regnal titles | ||
| Preceded by Timothy O'Brien |
Baronet of Merrion Square and Boris-in-Ossory 1862 – 1895 |
Succeeded by Tim O'Brien |