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".
Klaas Bolt (1927–1990), Dutch organist and improviserKlaas Bom (born 1937), Dutch engineerKlaas van den Broek (born 1955), Dutch ice hockey playerKlaas Bruinsma (translator) (born 1931), Dutch translatorKlaas Bruinsma (drug lord) (1953–1991), Dutch drug baronKlaas Heufer-Umlauf (born 1983), German television hostKlaas-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 producerC. 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 JudyKlaas Wikipedia (Text) CC BY-SA