21st-century Irish businesspeople

Irish boxer and mixed martial arts fighter

Irish businessman, CEO of Ryanair Group

Terrence Thomas Kevin O'Leary, self stylized as Mr. Wonderful, is a Canadian businessman, television personality and actor. From 2004 to 2014, he appeared on various Canadian television shows, including the business news program The Lang and O'Leary Exchange as well as reality show Dragons' Den. O'Leary hosted Discovery Channel's Project Earth in 2008 and has appeared on Shark Tank, the American version of Dragons' Den, since 2009. He made his feature film debut as Milton Rockwell in Josh Safdie's Marty Supreme (2025).

Irish businessman (1936–2007)

Irish businessman

Irish activist and businesswoman

Irish businessman

Irish athlete

Irish entrepreneur

Irish-Australian airline executive

Irish businessman

Irish politician

Irish politician

Irish hurler

Irish racehorse owner

Irish politician

Gaelic footballer and businessman