Alumni
- Eamon Casey, former Bishop of Galway
- Keith Earls, Munster,Ireland and British and Irish Lions Present rugby player
- Niall FitzGerald KBE (1963), former Chairman and CEO of Unilever plc until his appointment as Chairman of Reuters in 2004
- Jerry Flannery, former Ireland and Munster rugby player
- John Fleming (1965), appointed Catholic Bishop of Killala Diocese, Co. Mayo, Ireland in 2002
- Anthony Foley, Ireland and Munster rugby player
- John Gormley (1977), leader of the Green Party (Ireland) was appointed Minister for the Environment, Heritage and Local Government in the Irish Government of 2007
- Marcus Horan, Ireland and Munster rugby player
- Richard V. Hourigan, former Senator
- Bill Mulcahy, former Munster,Ireland and British and Irish Lions rugby player
- Conor Murray, rugby player, Munster, Ireland and British and Irish Lions
- Keith Wood, former rugby player for Munster, Ireland and the British and Irish Lions. Winner of IRB International Player of the Year in 2001
- Sean O Riada, composer
Read more about this topic: St Munchin's College