Ignatius O'Brien, 1st Baron Shandon

The Right Honourable The Lord Shandon PC (Ire)
Solicitor General for Ireland
In office 1911–1912
Preceded by	Charles Andrew O'Connor
Succeeded by	Thomas Molony
Attorney General for Ireland
In office 1912–1913
Preceded by	Charles Andrew O'Connor
Succeeded by	Thomas Molony
Lord Chancellor of Ireland
In office 1913–1918
Preceded by	Redmond John Barry
Succeeded by	Sir James Campbell
Personal details
Born	(1857-07-31)31 July 1857 Cork, Ireland
Died	10 September 1930(1930-09-10) (aged 73) London, England

Ignatius John O'Brien, 1st Baron Shandon, PC (Ire) (31 July 1857 – 10 September 1930), known as Sir Ignatius O'Brien, Bt, between 1916 and 1918, was an Irish lawyer and politician. He served as Lord Chancellor of Ireland between 1913 and 1918.