Robert Haas

Robert Haas may refer to:


 * Robert Haas (musicologist) (1886–1960), Austrian musicologist
 * Robert Haas (calligrapher) (1898–1997), American calligrapher, typographer, photographer and book designer
 * Robert Haas (clergyman), German clergyman and ecumenist
 * Robert C. Haas, American law enforcement official in Cambridge, Massachusetts
 * Robert M. Haas (1889–1962), American art director
 * Bob Haas (born 1942), owner and executive of Levi Strauss & Co
 * Robert Haas (investor) (1947–2021), American investor, photographer and motorcycle collector
 * Robert Z. Haas, American vinter of the Tablas Creek Vineyard