Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2005 |  | Wayne Byrne | FW | |||
| 09/2005 | | Paul Murphy | FW |  | Mossley AFC | Mossley AFC |
| 07/2005 | | Paul Caffrey | MF |  | Shamrock Rovers | Shamrock |
| 07/2005 | | Stephen Roche | MF | |||
| 07/2005 | | David Tyrell | MF |  | Shelbourne FC | Shelbourne FC |
| 07/2005 |  | Andrei Georgescu | FW | |||
| 01/2005 | | Robbie Dunne | MF |  | Dundalk FC | Dundalk |
| 01/2005 | | Stuart Holt | MF |  | Monaghan United | Monaghan |
| 01/2005 | | Philip Keogh | MF |  | Longford Town | Longford Town |
| 01/2005 |  | Éamon Zayed | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2005 |  | Wesley Charles | DF |  | FK Rostov | FK Rostov |
| 08/2005 | | Éamon Zayed | FW |  | Aalesunds FK | Aalesunds FK |
| 07/2005 | | Stuart Holt | MF |  | St Patrick's Athletic | St Patrick's A |
| 01/2005 |  | Justin Pasfield | GK |  | Blacktown City FC | Blacktown City |