Robert Haas
Robert Haas may refer to:
- Robert Haas (musicologist), Austrian musicologist
- Robert Haas (calligrapher), 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, American art director
- Bob Haas, owner and executive of Levi Strauss & Co
- Robert Haas (investor), American investor, photographer and motorcycle collector
- Robert Z. Haas, American vinter of the Tablas Creek Vineyard
- Bob Haas (American football), American football player
- Bob Haas (Canadian football), Canadian football player