Robert Weiss or Weiß may refer to:
- Bob Weiss (born 1942), American basketball coach and former player
- Rob Weiss (fl. 1993), American television and film producer, screenwriter, actor and director
- Robert Weiss (choreographer) (fl. 1977), American ballet dancer, choreographer and artistic director
- Robert Weiss (therapist) (born c. 1960), American author and therapist specializing in sex addiction
- Robert A. Weiss (fl. 1978), American dermatologist
- Robert K. Weiss (fl. 1977–2014), American film producer
- Robert Weiß (pilot) (1920–1944), German World War II fighter ace
- Roberto Weiss (1906–1969), Italian-British historian of Renaissance culture
This disambiguation page lists articles about people with the same name.
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