Birth Chart and Horoscope of People educated at blackrock college
- AJ MacGinty
- Alain Rolland
- Andrew Conway
- Angus Lloyd (rugby union)
- Bob Geldof
- Brendan Macken (rugby union)
- Brendan O'Regan
- Brian O'Driscoll
- Ciaran Ó Máille
- Cillian Willis
- Conor Dean
- Craig Doyle
- Dave Fanning
- Dave Gannon
- Dave Heffernan
- David McSavage
- David O'Connor (rugby union)
- David Pigot (cricketer, born 1929)
- David Quinlan (rugby union, born 4 January 1978)
- Denis Buckley
- Derrick White (politician)
- Des Bishop
- Fergus Slattery
- Garry Ringrose
- Gavin Mullin
- Gavin Thornbury
- Hugo Keenan
- Hugo MacNeill (rugby union)
- Ian Madigan
- Jason Harris-Wright
- Jeremy Loughman
- Joey Carbery
- Joey O'Meara
- John Butler (director)
- Jordi Murphy
- Joseph O'Connor
- Leo Cullen (rugby union)
- Luke Fitzgerald
- Mark Vaughan
- Michael McGlynn
- Michael Moriarty (judge)
- Neil Francis (rugby union)
- Neil R. Barrett
- Niall Brophy
- Niall Morris (rugby union)
- Nick Timoney
- Oliver Jager
- Paddy Patterson
- Peter Robb (rugby union)
- Robert Ballagh
- Ryan Tubridy
- Rónán Murray
- Shane Byrne (rugby union)
- Tom Clarkson (rugby union)
- Tommy O'Brien (rugby union)