Wikipedia:
Klaas is a Dutch male given and surname. It is the Dutch short form of Nicholas, a Greek name ultimately meaning victory of the people. Its female variants is Klaas(s)ien(a). As a surname is mainly exists as Klaasen, and Klaas, both meaning "Son of Klaas".
Notable persons whose given name is Klaas
Klaas Bolt (1927–1990), Dutch organist and improviserKlaas van den Broek (born 1955), Dutch ice hockey playerKlaas Bruinsma (translator) (born 1931), Dutch translatorKlaas Bruinsma (drug lord) (1953–1991), Dutch drug baronKlaas-Jan Huntelaar (born 1983), Dutch footballerKlaas-Jan van Noortwijk (born 1970), Dutch cricketerKlaas Reimer (1770–1837), Prussian mennoniteKlaas Schilder (1890–1952), Dutch theologian and professorKlaas Veenhof (born c. 1936), Dutch AssyriologistKlaas Veering (born 1981), Dutch field hockey goalkeeperKlaas de Vries (composer) (born 1944), Dutch composerKlaas de Vries (politician) (born 1943), Dutch politicianKlaas-Erik Zwering (born 1981), Dutch swimmer and an Olympic medalistKlaas (DJ), Dutch-born German electro house producer
Notable persons whose surname is Klaas
C.J. Klaas (born 1983), American soccer defensive midfielderKathrin Klaas (born 1984), German hammer throwerPolly Klaas (1981–1993), American murder victimJan Klaasen, the Dutch version of Punch and Judy
