1955-56 Squad
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | PREFERRED FOOT | |
|---|---|---|---|---|---|---|---|---|---|
 | S. Areta | DF | 1.81 m | 80 kg | 11/29/1930 | 24 | Pamplona | ||
| | E. Arieta-Araunabeña | FW | 1.75 m | 74 kg | 8/21/1933 | 22 | Durango | ||
| | J. Luis Artetxe | FW | 1.74 m | 70 kg | 6/28/1930 | 25 | Getxo | ||
| | I. María Azcarate | FW | 7/15/1929 | 26 | Bilbao | ||||
| | F. Bilbao | MF | 1/6/1935 | 20 | Getxo | ||||
| | C. Cedrún | GK | 1.84 m | 78 kg | 12/6/1930 | 24 | Amorebieta-Etxano | ||
| | M. González Etura | MF | 1.84 m | 3/21/1933 | 22 | Sestao | |||
| | A. Gainza | FW | 1.72 m | 71 kg | 5/28/1922 | 33 | Basauri | ||
| | J. Garay | DF | 1.80 m | 76 kg | 9/10/1930 | 24 | Bilbao | ||
| | L. Iraragorri | GK | 12/17/1934 | 20 | Bilbao | ||||
| | I. Izaguirre | FW | 6/13/1933 | 22 | Muskiz | ||||
| | R. Pérez Lezama | GK | 1.78 m | 76 kg | 11/29/1922 | 32 | Barakaldo | ||
| | J. María Maguregui | MF | 1.72 m | 70 kg | 3/16/1934 | 21 | Ugao-Miraballes | ||
| | F. Marcaida | FW | 1.75 m | 73 kg | 11/20/1931 | 23 | Loiu | ||
| | A. Merodio | FW | 1.80 m | 78 kg | 8/23/1935 | 20 | Barcelona | ||
| | J. María Orúe | DF | 1.71 m | 67 kg | 3/17/1931 | 24 | Bilbao | ||
| | N. Sagarduy | DF | 1.70 m | 66 kg | 3/18/1931 | 24 | Barakaldo | ||
| | M. Ugartemendia | MF | 4/26/1934 | 21 | Gernika-Lumo | ||||
| | I. Uribe | FW | 12/27/1933 | 21 | Bilbao |
