The origin of the name Klaus is Bavaria region of Germany.
Klaus The surname derives from the short form of the personal name Niklaus or Nocholas.

Many different cultural groups lived in the region of present-day Germany during the Middle Ages, so it had many variations in language and how to pronounce the names.

Some variations of this family name include: Klaus, Klauss, Claus, Clauss, Klauhs, Clauhs, Klauser, Klausen Clausen and others.