List of Famous people born in County Louth, Ireland

Thomas Byrne is a former racing driver from Ireland. He participated in two Formula One Grands Prix in 1982 with the backmarker Theodore team, failing to qualify for another three. He failed to finish in either of the Grands Prix he started and scored no Formula One championship points.

Ian Patrick Harte is an Irish football agent and former professional footballer who played as a left back. He was best known for his ability to score goals from long range, including being a free kick specialist.

Michael McKevitt was an Irish republican and paramilitary leader. He was the Provisional Irish Republican Army's Quartermaster General. After the signing of the Good Friday Agreement, he formed the Real IRA in protest. His role in the Real IRA led to him being convicted of directing terrorism as the leader of the paramilitary organisation.

Colin Arthur O'Donoghue is an Irish actor and musician, best known for portraying Captain Killian "Hook" Jones on the TV show Once Upon a Time. He appeared in the 2011 horror thriller film The Rite (2011) as a skeptical novice priest, Michael Kovak. He is also portraying Gordon Cooper on Disney+ Original Series The Right Stuff. He starred in Dolly Parton's Heartstrings as J.J. Sneed

John Atkinson, Baron Atkinson, was an Irish politician and judge. He was a Lord of Appeal in Ordinary from 1905 to 1928.

Charles William de la Poer Beresford, 1st Baron Beresford,, styled Lord Charles Beresford between 1859 and 1916, was a British admiral and Member of Parliament.

Sir Francis Leopold McClintock was an Irish explorer in the British Royal Navy, known for his discoveries in the Canadian Arctic Archipelago. He confirmed explorer John Rae's controversial report gathered from Inuit sources on the fate of Franklin's lost expedition, the ill-fated Royal Navy undertaking commanded by Sir John Franklin in 1845 to be the first to traverse the Northwest Passage.

Tommy Breen was an Irish footballer who played as a goalkeeper for, among others, Belfast Celtic, Manchester United, Linfield and Shamrock Rovers. Breen was a dual international and played for both Ireland teams: the IFA XI and the FAI XI.

Brian Patrick Lenihan was an Irish Fianna Fáil politician who served as Tánaiste from 1987 to 1990, Minister for Defence from 1989 to 1990, Minister for Agriculture from March 1982 to December 1982, Minister for Fisheries from 1977 to 1979, Minister for Foreign Affairs from 1987 to 1989, 1979 to 1981 and January 1973 to March 1973, Minister for Transport and Power from 1969 to 1973, Minister for Education from 1968 to 1969, Minister for Justice from 1964 to 1969, Parliamentary Secretary to the Minister for Justice and Parliamentary Secretary to the Minister for Lands from 1961 to 1964. He served as a Teachta Dála (TD) from 1961 to 1973 and from 1977 to 1995. He served as a Senator for the Industrial and Commercial Panel from 1957 to 1961 and 1973 to 1977. He also served as a Member of the European Parliament (MEP) for the Oireachtas from 1973 to 1977.

John Moore is an Irish film director and producer whose credits include the action war film Behind Enemy Lines and A Good Day to Die Hard.