List of banks in Spain

This is a list of banks in Spain. Spain has 10 banking groups that are directly supervised by the European Central Bank. As of September 2021, the "big four" in Spain are:

• Banco Santander
• BBVA
• Caixabank
• Banco Sabadell

There were formerly a "big six" (los seis grandes) composed of three banks that are now part of BBVA (Banco de Bilbao, Banco de Vizcaya, and state-owned Banco Argentaria) and three now combined as Santander (Banco Central, Banco Hispanoamericano, and Banco de Santander).