The École spéciale militaire de Saint-Cyr (lit. 'Special Military School of Saint-Cyr', abbr. ESM), often referred to as Saint-Cyr, is a French military academy. It is located in Coëtquidan in Guer, Morbihan, Brittany. French cadet officers are called saint-cyriens or cyrards.
French students who enter Saint-Cyr as cadets are about 21 years old, and undergo three years of training. All ESM cadets graduate with a Master of Arts or a Master of Science and are commissioned officers.