Is Jordan a German last name?

Origins of the Surname Jordan

The surname Jordan is found across various cultures including English, German, French (primarily in Alsace and Haute-Savoie), Polish, Czech, and Slovenian. In addition, it appears in Spanish and Hungarian forms such as Jord?n. It stems from the Christian given name or nickname Jordan, which is derived from the River Jordan, known in Hebrew as Yarden, a term that means 'to descend.'