Republic of Ireland
Formed: 1921 Manager: Giovanni Trapattoni [ITA]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Current Club |
| 1 | Shay Given | IRL | G | 1.88 | 84 | 20-04-76 | Lifford | Aston Villa |
| 2 | Sean St Ledger | IRL | D | 1.81 | 76 | 28-12-84 | Birmingham | Leicester C |
| 3 | Stephen Ward | IRL | D | 1.85 | 77 | 20-08-85 | Dublin | Wolverhampton W |
| 4 | John O'Shea | IRL | D | 1.90 | 75 | 30-04-81 | Waterford | Sunderland |
| 5 | Richard Dunne | IRL | D | 1.88 | 95 | 21-09-79 | Dublin | Aston Villa |
| 6 | Glenn Whelan | IRL | M | 1.80 | 79 | 13-01-84 | Dublin | Stoke C |
| 7 | Aidan McGeady | IRL | M | 1.78 | 72 | 04-04-86 | Glasgow | Spartak Moscow |
| 8 | Keith Andrews | IRL | M | 1.83 | 78 | 13-09-80 | Dublin | WBA |
| 9 | Kevin Doyle | IRL | F | 1.80 | 79 | 18-09-83 | Wexford | Wolverhampton W |
| 10 | Robbie Keane | IRL | F | 1.76 | 72 | 08-07-80 | Tallaght | LA Galaxy |
| 11 | Damien Duff | IRL | M | 1.78 | 70 | 02-03-79 | Ballyboden | Fulham |
| 12 | Stephen Kelly | IRL | D | 1.84 | 82 | 06-09-83 | Dublin | Fulham |
| 13 | Paul McShane | IRL | D | 1.83 | 72 | 06-01-86 | Wicklow | Hull C |
| 14 | Jonathan Walters | IRL | F | 1.83 | 79 | 20-09-83 | Birkenhead | Stoke C |
| 15 | Darron Gibson | IRL | M | 1.80 | 83 | 25-10-87 | Derry | Everton |
| 16 | Keiren Westwood | IRL | G | 1.88 | 86 | 23-10-84 | Manchester | Sunderland |
| 17 | Stephen Hunt | IRL | M | 1.75 | 79 | 01-08-81 | Portlaoise | Wolverhampton W |
| 18 | Darren O'Dea | IRL | D | 1.85 | 83 | 04-02-87 | Dublin | Celtic |
| 19 | Shane Long | IRL | F | 1.78 | 71 | 22-01-87 | Kilkenny | WBA |
| 20 | Simon Cox | IRL | F | 1.80 | 70 | 28-04-87 | Reading | WBA |
| 21 | Paul Green | IRL | M | 1.75 | 77 | 10-04-83 | Sheffield | Derby Co |
| 22 | James McClean | IRL | M | 1.80 | 70 | 22-04-89 | Derry | Sunderland |
| 23 | David Forde | IRL | G | 1.91 | 87 | 20-12-79 | Galway | Millwall |