| Link | Location |
|---|
 | Dermot Patrick O Connor | Chicago, Illinois, Stati Uniti |
 | Mihall O Curraoin | Sydney, Australia |
 | Ciarán Ó Néill | Amsterdam, Paesi Bassi |
| Susan O'Brien | Erlangen, Germania |
| Finian O'Connor | Dublin, Irlanda |
| Kevin O'Donnell | Edinburgh, Regno Unito |
| Declan O'Gorman | London, Regno Unito |
| Ryan O'Leary | Dallas-Addison, Texas, Stati Uniti |
| Ben O'Neill | Gloucester, Regno Unito |
| Jessica O'Neill | Munich, Germania |
_jpg.jpg?preferred_lang=it) | Des O'Sullivan | Dublin, Irlanda |
| Ben O’Neill | Cheltenham, Regno Unito |
| Sagar Oak | Munich, Germania |
| Matt Oakes | Minneapolis, Minnesota, Stati Uniti |
| Michael Obel | Paris, Francia |
