List of Famous people born in Leinster, Ireland

Columbanus was an Irish missionary notable for founding a number of monasteries after 590 in the Frankish and Lombard kingdoms, most notably Luxeuil Abbey in present-day France and Bobbio Abbey in present-day Italy.

Anthony Gerard Richard Cronin was an Irish poet, arts activist, biographer, commentator, critic, editor and barrister.

Sandie Jones was an Irish singer.

Sir Francis Beaufort was an Irish hydrographer, rear admiral of the Royal Navy, and creator of the Beaufort cipher and the Beaufort scale.

John Carter son of Thomas Carter and Catherine Butler of Castlemartin Co Kildare and grandson of Henry Boyle Carter, was an officer of the Royal Navy, who saw service during the French Revolutionary and Napoleonic Wars.

Sir Henry Bagenal PC was marshal of the Royal Irish Army during the reign of Queen Elizabeth I.

William Wellesley-Pole, 3rd Earl of Mornington,, known as Lord Maryborough between 1821 and 1842, was an Anglo-Irish politician and an elder brother of the Duke of Wellington. His surname changed twice: he was born with the name Wesley, which he changed to Wesley-Pole following an inheritance in 1781. In 1789 the spelling was updated to Wellesley-Pole, just as other members of the family had changed Wesley to Wellesley.

Edmund Ignatius Rice,, was a Catholic missionary and educationalist. He was the founder of two religious institutes of religious brothers: the Congregation of Christian Brothers and the Presentation Brothers.

Devon Michael Murray is an Irish actor, best known for playing Seamus Finnigan in the Harry Potter film series.

Thomas "Slab" Murphy is an Irish republican, believed to be a former Chief of Staff of the Provisional Irish Republican Army. His farm straddles County Armagh and County Louth on the border between Northern Ireland and the Republic of Ireland. In December 2015, Murphy was found guilty on nine counts of tax evasion following a lengthy investigation by the Criminal Assets Bureau of the Republic of Ireland. In February 2016, Murphy was jailed and sentenced to 18 months in prison. One of three brothers, Murphy is a lifelong bachelor who lived on the Louth side of his farm before his imprisonment.