Robert B. Smith

• Robert B. Smith (Virginia mayor), American politician
• Robert Bache Smith, American librettist and lyricist
• Robert Barr Smith, Australian businessman and philanthropist
• Robert Black Smith, member of the Legislative Assembly of New Brunswick
• Robert Bruce Smith IV, American music and history expert
• Robert Burdett Smith, solicitor and politician in colonial New South Wales
• Robert Burns Smith, American politician, Governor of Montana
• Robert Smith (defensive end), American football player