List of Famous people born in Leinster, Ireland

Nathan O'Toole is an Irish actor, known for playing the part of young Bjorn Ironside in the first, second and fourth season of the 2013 TV series Vikings. He also played in the series The Borgias as Vincenzo. He lives in Dunshaughlin.

Laurence "Larry" Goodman is an Irish businessman, chiefly involved in the beef processing industry. He is the 6th generation of a livestock and meat exporting family and founded what is now ABP Food Group in 1954. He is the Executive Chairman of the company which has grown to become one of Europe’s largest agri-business companies with 51 processing plants in Ireland, the United Kingdom, Spain, France, Denmark, Holland, Austria, Poland. ABP employs over 11,000 people. Separately, the Goodman family office has business interests in property, healthcare and productive arable and beef farming.

Sonya McGinn is a former Irish badminton player. She competed at the 2000 Summer Olympics in Sydney, Australia, became the first Irish player in badminton at the Summer Olympics. The Howth women lost in the second round to Mia Audina of the Netherlands, former silver medalist in 1996 Atlanta in the straight games. McGinn had won 9 times National Championships title, 5 in the women's singles and 4 in the women's doubles event.

Karen Koster is an Irish-Dutch television presenter, known for her work on Xposé and Ireland AM.

Ruairí Ó Brádaigh was an Irish republican political and military leader. He was Chief of Staff of the Irish Republican Army (IRA) from 1958 to 1959 and again from 1960 to 1962, president of Sinn Féin from 1970 to 1983, and president of Republican Sinn Féin from 1987 to 2009.

Charlie Flanagan is an Irish Fine Gael politician who has been a Teachta Dála (TD) for the Laois–Offaly constituency since 2020, and previously from 1987 to 2002, 2007 to 2016 and from 2016 to 2020 for the Laois constituency. He was appointed Chair of the Committee on Foreign Affairs and Defence in September 2020. He previously served as Minister for Justice and Equality from 2017 to 2020, Minister for Foreign Affairs and Trade from 2014 to 2017, Minister for Children and Youth Affairs from May to July 2014 and Chair of the Fine Gael Parliamentary Party from 2011 to 2014.

Johanna M. Harwood is an Irish screenwriter. She was born and raised in County Wicklow in the Irish countryside. She co-wrote two James Bond films, and went uncredited for adaptation work on a third.

Alex White is an Irish lawyer and a former Labour Party politician who served as Minister for Communications, Energy and Natural Resources from 2014 to 2016, Minister of State for Primary Care from 2012 to 2014 and Leader of the Labour Party in the Seanad 2007 to 2011. He served as a Teachta Dála (TD) for the Dublin South constituency from 2011 to 2016. He was a Senator for the Cultural and Educational Panel from 2007 to 2011.

Marie Kean was an Irish actress of stage and screen whose career spanned over 40 years. The Stage called her one of Ireland's most impressive actresses, and "an artist of considerable emotional depth and theatrical command.”

John Maurice Kelly was an Irish Fine Gael politician who served as Minister for Trade, Commerce and Tourism from 1981 to 1982, acting Minister for Foreign Affairs from June 1981 to October 1981, Attorney General from May 1977 to July 1977 and Government Chief Whip from 1973 to 1977. He served as a Teachta Dála (TD) for the Dublin South-Central from 1973 to 1977 and for Dublin South from 1977 to 1989. He was a Senator for the Cultural and Educational Panel from 1969 to 1973.