Klaus
[klaʊs]Meaning
German short form of Nicholas, now used independently
Background Story
Klaus is a German, Dutch, Scandinavian and Greek given name and surname, arising as a short form of Nikolaus, the German form of the Greek name Nicholas. Related forms include the variants Claus, Nico and Niko, the diminutive Launo, and the feminine forms Nicola and Nikola. In Finnish it comes from Middle High German, a short form of Latin Nicolaus, and is attested in Finland since the Middle Ages, where it was later associated with the saint's name Claudius.

Related Names
Kolja
A diminutive form of Nikolai, meaning 'victory of the people'
Heido
A variation of the name 'Heidi', which means 'noble one' or 'of noble birth' in German.
Kaleb
English variant of Caleb
Keith
From a Scottish surname, possibly from a Celtic root meaning "wood"
Kenji
Japanese masculine given name; from 健 "healthy, strong" or 研 "study, sharpen" plus 二 "two"
Kepler
A German surname, borne by the astronomer Johannes Kepler.
Klint
A variant of the name Clinton, meaning 'settlement by the river'
Kolya
Diminutive of Nikolai
Kramer
A Dutch and Low German word for a small merchant, hawker, or retailer
Nikos
Greek short form of Nikolaos, which means "victory of the people"