Duvalier is a surname, and may refer to:
- François Duvalier (1907-1971), nicknamed "Papa Doc", President of Haiti (1957-1971)
- Jean-Claude Duvalier (born 1951), nicknamed "Baby Doc", son of François Duvalier and President of Haiti (1971-1986)
- Simone Ovid Duvalier (1913-1997), widow of François Duvalier and mother of Jean-Claude Duvalier
- Michèle Bennett Duvalier (born 1950), former wife of Jean-Claude Duvalier
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