Kreditanstalt or Creditanstalt means "credit institution" in German. It may also refer to:
Germany Kreditanstalt für Wiederaufbau, a German public financial institution , a German bank , a defunct German bank Deutsche Rentenbank-Kreditanstalt, a predecessor to Landwirtschaftliche Rentenbank
Habsburg Monarchy / Austria Creditanstalt, a defunct major Austrian bank Allgemeine Bodencreditanstalt, another defunct Austrian bank
Switzerland Schweizerische Kreditanstalt, German name of Credit Suisse