Cernay may refer to several communes in France:
*
Cernay, Calvados, in the Calvados ''département''
*
Cernay, Eure-et-Loir, in the Eure-et-Loir ''département''
*
Cernay, Haut-Rhin, in the Haut-Rhin ''département''
*
Cernay, Vienne, in the Vienne ''département''
*
Cernay-en-Dormois, in the Marne ''département''
*
Cernay-la-Ville, in the Yvelines ''département'', a suburb of Paris
*
Cernay-l'Église, in the Doubs ''département''
*
Cernay-lès-Reims, in the Marne ''département''
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