Baas may be:
A Dutch word for supervisor/leader/master, from which the American word "boss" is derived. Balduin Baas (1922–2006), German actorDavid Baas (born 1981), American football centerGilberto Keb Baas (born 1977), Mexican boxerHeinz Baas (1922–1994), German football player and managerIan Baas (born 1982), American race car driverJan Baas (born 1950), Dutch politicianJohann Hermann Baas (1838–1909), German medical historianLourens Baas Becking (1895–1963), Dutch botanist and microbiologistMaarten Baas (born 1978), Dutch industrial designerPieter Baas (born 1944), Dutch botanistStien Baas-Kaiser (born 1938), Dutch speed skaterBaas Wikipedia (Text) CC BY-SA