Baas

Baas:
 * An Afrikaans word for boss and Dutch word for supervisor/leader/master, from which the American word "boss" is derived.

Surname

 * Balduin Baas (1922–2006), German actor
 * David Baas (born 1981), American football center
 * Gilberto Keb Baas (born 1977), Mexican boxer
 * Heinz Baas (1922–1994), German football player and manager
 * Ian Baas (born 1982), American race car driver
 * Jan Baas (born 1950), Dutch politician
 * Johann Hermann Baas (1838–1909), German medical historian
 * Lourens Baas Becking (1895–1963), Dutch botanist and microbiologist
 * Maarten Baas (born 1978), Dutch industrial designer
 * Pieter Baas (born 1944), Dutch botanist
 * Stien Baas-Kaiser (1938–2022), Dutch speed skater