La Flèche is a town and commune in the French department of Sarthe, in the Pays de la Loire region in the Loire Valley. It is the sub-prefecture of the South-Sarthe, the chief district and the chief city of a canton, and the second most populous city of the department. The city is part of the Community of communes of the Pays La Flèche. The inhabitants of the town are called the La Flèchois. It is classified as a country of art and history.
The Prytanée National Militaire is located in La Flèche.