Sir Patrick O'Brien, 2nd Baronet was an Irish politician.
- Occupation
- politician, lawyer
- Position held
- member of the 22nd Parliament of the United Kingdom, member of the 21st Parliament of the United Kingdom, member of the 20th Parliament of the United Kingdom, member of the 19th Parliament of the United Kingdom
- Citizenship
- Ireland
- Born
- 1823
- Died
- April 23, 1895, April 26, 1895, April 25, 1895
