List of Famous people born in Leinster, Ireland

Eva Birthistle is an Irish actress and writer. She is best known for her role in Ae Fond Kiss... and since 2015 has starred in The Last Kingdom. She won the London Film Critics Circle British Actress of the Year Award in 2004, and has twice won the IFTA Best Actress in a Leading Role (Film) award.

General Sir William Francis Patrick Napier KCB was an Irish soldier in the British Army and a military historian.

Lord Edward FitzGerald was an Irish aristocrat who abandoned his prospects as a distinguished veteran of British service in the American War of Independence, and as an Irish Parliamentarian, to embrace the cause of an independent Irish republic. Unable to reconcile with Ireland's Protestant Ascendancy and with the Kingdom's English-appointed administration, he sought inspiration in revolutionary France where, in 1792, he met and befriended Thomas Paine. From 1796 he became a leading proponent within the Society of United Irishmen of a French-assisted insurrection. On the eve of the intended uprising in May 1798 he was fatally wounded in the course of arrest.

Hugh Hamilton was a mathematician, natural philosopher (scientist) and professor at Trinity College Dublin, and later a Church of Ireland bishop, Bishop of Clonfert and Kilmacduagh, and then Bishop of Ossory.

Garret Colley Wesley, 1st Earl of Mornington was an Anglo-Irish politician and composer, best known today for fathering several distinguished military commanders and politicians of Great Britain and Ireland.

William Butler Yeats was an Irish poet, dramatist, prose writer and one of the foremost figures of 20th-century literature. A pillar of the Irish literary establishment, he helped to found the Abbey Theatre, and in his later years served two terms as a Senator of the Irish Free State. He was a driving force behind the Irish Literary Revival along with Lady Gregory, Edward Martyn and others.

Samuel Haughton was an Irish scientific writer.

George Johnstone Stoney FRS was an Irish physicist. He is most famous for introducing the term electron as the "fundamental unit quantity of electricity".

William Patrick Duggan was an Irish international rugby union player. He won 41 Irish caps, the first in 1975 and finished his international career in 1984 as captain. He toured New Zealand in 1977 with the British and Irish Lions, and at the time played club rugby for Blackrock College RFC, after commencing his career with Sunday's Well RFC in Cork.