Janet Smith

• Janet Smith, British dancer, choreographer and college principal
• Janet Smith , Lady Justice of Appeal of the Court of Appeal of England and Wales
• Janet Smith , wife of Ian Smith, Prime Minister of Rhodesia
• Janet Smith , American long-distance runner
• Janet Smith , British Olympic sprinter
• Janet Adam Smith, Scottish writer, editor, and literary journalist
• Janet E. Smith, American professor of moral theology
• Janet Kennedy Smith, Scottish-born Canadian murder victim in the Janet Smith case
• Janet L. Smith, American scientist
• Janet Marie Smith, American MLB executive, architect, and urban planner
• Janet Marilyn Smith, American woman killed in the 1994 Gresham cat hostage taking incident
• Janet Seymour-Smith, English translator and scholar

  Fictional characters

• Janet Smith, fictional character in ''Two Pints of Lager and a Packet of Crisps''