Athletic Club Bilbao 2005/2006
| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Daniel Aranzubia | 1979-09-18 | 185 | 76 | |||
| GK | Iñaki Lafuente | 1976-01-24 | 187 | 2011 | |||
| D | Ander Murillo | 1983-07-22 | 184 | 2011 | |||
| D | Andoni Iraola | 1982-06-22 | 182 | 75 | 2015 jun | ||
| D | Carlos Gurpegui | 1980-08-19 | 181 | 77 | 2016-06-30 | ||
| D | Fernando Amorebieta | 1985-03-21 | 192 | 85 | 2019-06-30 | ||
| D | Francisco Tarantino | 1984-06-26 | 181 | 76 | |||
| D | Luis Prieto | 1979-02-19 | 181 | 76 | 2012 | ||
| D | Unai Expósito | 1980-01-23 | 176 | ||||
| D | Ustaritz | 1983-02-16 | 183 | 75 | |||
| M | Endika Bordas | 1982-03-08 | 178 | 2011 | |||
| M | Francisco Javier Yeste | 1979-12-06 | 184 | 70 | 2010 | ||
| M | Pablo Orbaiz | 1979-02-06 | 178 | 76 | |||
| F | Aritz Aduriz | 1981-02-11 | 182 | 78 | 2018-06-30 | ||
| F | Fernando Llorente | 1985-02-26 | 195 | 88 | 2019-06-30 | ||
| F | Joseba Etxeberria | 1977-09-05 | 178 | 74 | |||
| F | Mikel Dañobeitia | 1986-03-05 | 179 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Asier Villalibre (F) | Real Valladolid | Athletic Club Bilbao | Confirmed | |
| 30.Jun | Gorka Santamaría (F) | Recreativo Huelva | Athletic Club Bilbao | Confirmed | |
| 30.Jun | Gorka Santamaría (F) | Cádiz CF | Athletic Club Bilbao | Confirmed | |
| 30.Jun | Óscar Gil (D) | Real Oviedo | Athletic Club Bilbao | Confirmed | |
| 30.Jun | Iago Herrerín (GK) | CD Leganés | Athletic Club Bilbao | Confirmed | |
| 30.Jun | Unai López (M) | CD Leganés | Athletic Club Bilbao | Confirmed | |
| 30.Aug | Borja Viguera (F) | Athletic Club Bilbao | Sporting de Gijón | Confirmed | |
| 17.Aug | Guillermo (F) | Athletic Club Bilbao | Elche CF | Confirmed | |
| 17.Aug | Óscar Gil (D) | Athletic Club Bilbao | Real Oviedo | Confirmed | |
| 12.Aug | Jon Aurtenetxe (D) | Athletic Club Bilbao | CD Mirandes | Confirmed |