Rosnay

Rosnay may refer to the following places in France:


 * Rosnay, Indre, a commune in the Indre department
 * Rosnay, Marne, a commune in the Marne department
 * Rosnay, Vendée, a commune in the Vendée department
 * Rosnay-l'Hôpital, a commune in the Aube department

Family name

 * Joël de Rosnay
 * Tatiana de Rosnay, French writer
 * Xavier de Rosnay, French electro-house musician, see Justice (French band)