Lord O'Neill may refer to:
- Baron O'Neill, a title in the Peerage of the United Kingdom created in 1868
- Viscount O'Neill, a title in the Peerage of Ireland created in 1795
- Earl O'Neill, a title in the Peerage of Ireland created in 1800
- Martin O'Neill, Baron O'Neill of Clackmannan (1945–2020), Scottish politician
- Jim O'Neill, Baron O'Neill of Gatley (born 1957), British economist
- Terence O'Neill, Baron O'Neill of the Maine (1914–1990), Prime Minister of Northern Ireland from 1963 to 1969
See also
Topics referred to by the same term
This disambiguation page lists articles associated with the title Lord O'Neill.If an internal link led you here, you may wish to change the link to point directly to the intended article. Categories: