| Name (3,709) | Functions | Event Dates | Events | Resources |
|---|---|---|---|---|
| Cloda O’Loughlin | Follow Spot Operator | 2014 | 1 | |
| Kelvin O’Mard | Actor | 2009 | 1 | |
| Sarah O’Neil | Actor and Singer | 2018 | 1 | |
| Lisa O’Neill | Choreographer, Dancer, Director, Performer | 1996 - 2001 | 3 | |
| Nicholas O’Regan | Actor, Devisor, Performer | 2020 | 1 | |
| Marissa O’Reilly | Translator | |||
| Ciarán O’Riordan | Actor | 2021 | 4 | |
| Alex O’Sullivan | 2011 | 1 | ||
| Ben O”Brien | Actor | |||