Perregaux is a surname. Notable people with the surname include:
Alexandre Perregaux (1749–1808), Swiss architect, goldsmith, and ivory carver Alexandre Charles Perrégaux, French officer during the colonial conquest of Algeria François Perregaux (1834–1877), Swiss watchmaker and businessman Jean-Frédéric Perregaux, Swiss banker Jeanne-Marie-Françoise Perregaux (1777–1838), Swiss painter
See also Girard-Perregaux, luxury Swiss watch manufacture