1965-66 Squad
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | PREFERRED FOOT | |
|---|---|---|---|---|---|---|---|---|---|
 | K. Aguirre | MF | 1.74 m | 75 kg | 4/27/1939 | 26 | Sondika | ||
| | J. Aranguren | DF | 1.67 m | 64 kg | 12/26/1944 | 20 | Portugalete | ||
| | J. María Argoitia | FW | 1.77 m | 75 kg | 1/18/1940 | 25 | Galdakao | ||
| | A. Arieta-Araunabeña | FW | 1.74 m | 73 kg | 1/6/1946 | 19 | Durango | ||
| | E. Arieta-Araunabeña | FW | 1.75 m | 74 kg | 8/21/1933 | 32 | Durango | ||
| | J. Antonio Deusto | GK | 1.80 m | 77 kg | 1/8/1946 | 19 | Bilbao | ||
| | L. María Echeberria | DF | 1.75 m | 73 kg | 3/24/1940 | 25 | Erandio | ||
| | J. Echevarría | GK | 12/3/1940 | 24 | Amorebieta-Etxano | ||||
| | N. Estéfano | MF | 1.70 m | 69 kg | 2/9/1947 | 18 | Barakaldo | ||
| | M. González Etura | MF | 1.84 m | 3/21/1933 | 32 | Sestao | |||
| | J. Ángel Iribar | GK | 1.82 m | 80 kg | 3/1/1943 | 22 | Zarautz | ||
| | J. Ramón Larrauri | MF | 1.77 m | 75 kg | 2/12/1940 | 25 | Bilbao | ||
| | J. Antonio Latorre | FW | 1.75 m | 70 kg | 12/1/1941 | 23 | Bilbao | ||
| | P. Lavín | FW | 1/6/1948 | 17 | Ondarroa | ||||
| | R. López | DF | 4/27/1945 | 20 | Sestao | ||||
| | J. Ignacio Meltzer | DF | 1.69 m | 67 kg | 10/23/1941 | 23 | Getxo | ||
| | J. Ormaza | FW | 11/29/1944 | 20 | Getxo | ||||
| | J. María Orúe | DF | 1.71 m | 67 kg | 3/17/1931 | 34 | Bilbao | ||
| | J. Francisco Rojo | FW | 1.77 m | 70 kg | 1/28/1947 | 18 | Bilbao | ||
| | J. Ignacio Sáez | DF | 1.70 m | 68 kg | 4/23/1943 | 22 | Bilbao | ||
| | R. Senarriaga | DF | 1.78 m | 73 kg | 5/31/1942 | 23 | Bilbao | ||
| | F. Trío | MF | 1.73 m | 67 kg | 7/8/1939 | 26 | Mungia | ||
| | F. Uriarte | FW | 1.75 m | 74 kg | 3/1/1945 | 20 | Sestao | ||
| | J. Manuel Zamora | GK | 1.78 m | 76 kg | 11/27/1942 | 22 | Donostia/San Sebastián | ||
| | J. María Zorriqueta | DF | 6/11/1940 | 25 | Galdakao | ||||
| | L. María Zugazaga | DF | 1.78 m | 79 kg | 10/13/1944 | 20 | Sestao |
