List of Famous people born in Leinster, Ireland

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 O'Hanrahan was an Irish rebel who was executed for his active role in the 1916 Easter Rising.

Patrick "Paddy" Holohan is an Irish politician and retired mixed martial artist who notably competed in the flyweight division of the Ultimate Fighting Championship. A professional MMA competitor from 2007 until his retirement in 2016, Holohan also competed for the promotion Cage Contender and was a competitor on The Ultimate Fighter 18.

Liam Óg O'Flynn was an Irish uilleann piper and Irish traditional musician. In addition to a solo career and as a member of Planxty, O'Flynn recorded with: Christy Moore, Dónal Lunny, Andy Irvine, Kate Bush, Mark Knopfler, the Everly Brothers, Emmylou Harris, Mike Oldfield, Mary Black, Enya and Sinéad O'Connor.

Noel Fitzpatrick is an Irish veterinary surgeon, based in Eashing, Surrey who came to prominence through the television programme The Supervet. Originally from Ballyfin, in Laois, Ireland, he moved to Guildford, Surrey, in 1993, where he is director and managing clinician at Fitzpatrick Referrals. His veterinary practice includes two hospitals specialising in orthopaedics and neurosurgery in Eashing, Surrey, and another specialising in oncology and soft tissue surgery in Guildford. He is director of a number of biotechnology companies spun off from his practice.

Owen Moore was an Irish-born American actor, appearing in more than 279 movies spanning from 1908 to 1937.

Christopher Andrew "Christy" Moore is an Irish folk singer, songwriter and guitarist. He is one of the founding members of Planxty and Moving Hearts. His first album, Paddy on the Road was recorded with Dominic Behan in 1969. In 2007, he was named as Ireland's greatest living musician in RTÉ's People of the Year Awards.

Barry Cowen is an Irish Fianna Fáil politician who has been a Teachta Dála (TD) for the Laois–Offaly constituency since the 2020 general election, and previously from 2011 to 2016 and from 2016 to 2020 for the Offaly constituency. He previously served as Minister for Agriculture, Food and the Marine from June 2020 to July 2020.

Seán Boylan is an Irish former Gaelic football manager from Dunboyne, County Meath. He retired from his position as manager of the senior Meath county team on the evening of 31 August 2005 after twenty-three years in charge. During his time with Meath, he managed the team to four All-Ireland Senior Football Championships, three National Football League titles, and eight Leinster Senior Football Championships.

Kevin Edward Doyle is an Irish former professional footballer who played as a forward.