Fertois is a Demonym referring to the inhabitants of any of several communes in France: La Ferté-Alais La Ferté-Bernard La Ferté-Chevresis La Ferté-Frênel La Ferté-Gaucher La Ferté-Loupière La Ferté-Macé La Ferté-sous-Jouarre
See also La Ferté (disambiguation), similarly named communes in France