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