Duvalier is a surname, and may refer to:
François Duvalier (1907-1971), nicknamed "Papa Doc", President of Haiti (1957-1971)
Jean-Claude Duvalier (1951-2014), 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
