Famous Persons from Castleisland, Munster, Ireland
- Sean McCarthy - Born on February 12, 1993 - Rugby union player
- Charlie Nelligan - Born on February 26, 1957 - Hurler, Gaelic football player, and Association football player - GAA GPA Gaelic Football All Star
- Mary Geaney - Born on April 6, 1954 - Camogie player, Gaelic football player, and Field hockey player
- Con Houlihan - Born on December 6, 1925 - Journalist, and Writer (died: August 4, 2012)