Athletic Club Bilbao 2011/2012
| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Gorka Iraizoz | 1981-03-06 | 191 | 86 | 2018-06-30 | ||
| GK | Raúl Fernández | 1988-03-13 | 196 | 86 | 2019-06-30 | ||
| D | Aitor Ocio | 1976-11-28 | 187 | 79 | Retired | ||
| D | Andoni Iraola | 1982-06-22 | 182 | 75 | 2015 jun | ||
| D | Borja Ekiza | 1988-03-06 | 180 | 73 | 2016-06-30 | ||
| D | Carlos Gurpegui | 1980-08-19 | 181 | 77 | 2016-06-30 | ||
| D | Fernando Amorebieta | 1985-03-21 | 192 | 85 | 2019-06-30 | ||
| D | Iban Zubiaurre | 1983-01-22 | 177 | 76 | |||
| D | Javi Martínez | 1988-09-02 | 190 | 81 | 2021-06-30 | ||
| D | Jon Aurtenetxe | 1992-01-03 | 182 | 82 | 2017-06-30 | ||
| D | Koikili | 1980-12-23 | 168 | 65 | |||
| D | Òscar De Marcos | 1989-04-10 | 181 | 76 | 2019-06-30 | ||
| D | Xabier Castillo | 1986-03-29 | 182 | 71 | |||
| M | Ander Herrera | 1989-08-14 | 182 | 70 | 2018-06-30 | ||
| M | Ander Iturraspe | 1989-03-08 | 187 | 73 | 2019-06-30 | ||
| M | David López | 1982-09-10 | 181 | 73 | 2016-06-30 | ||
| M | Igor Martínez | 1989-07-19 | 176 | 64 | 2017-06-30 | ||
| M | Igor Gabilondo | 1979-02-10 | 185 | 78 | |||
| M | Iñigo Pérez | 1988-01-18 | 178 | 74 | 2017-06-30 | ||
| M | Mikel San José | 1989-05-30 | 186 | 68 | 2020-06-30 | ||
| F | Fernando Llorente | 1985-02-26 | 195 | 88 | 2019-06-30 | ||
| F | Gaizka Toquero | 1984-08-09 | 182 | 75 | 2017-06-30 | ||
| F | Ibai Gómez | 1989-11-11 | 179 | 71 | 2019-06-30 | ||
| F | Iker Muniain | 1992-12-19 | 171 | 58 | 2019-06-30 | ||
| F | Markel Susaeta | 1987-12-14 | 179 | 68 | 2019-06-30 |
| 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 |