Robert Siegel (disambiguation)

Robert Siegel may refer to:

• Robert Siegel (born 1947), American radio journalist
• Robert Siegel (architect), American architect
• Robert Siegel (author) (1939–2012), American novelist and poet
• Robert A. Siegel (1913–1993), American philatelic auctioneer
• Robert Anthony Siegel, American novelist and professor
• Robert D. Siegel (born 1971), American screenwriter and director
• Robert T. Siegel (1928–2000), American physicist