Pontmain (French pronunciation: [pɔ̃mɛ̃]) is a commune in the Mayenne department in north-western France.

On 17 January 1871, some children from the village claimed to see an apparition of the Virgin Mary in the sky.

: Nous jugeons que l'Immaculée Vierge Marie, Mère de Dieu a véritablement apparu, le 17 janvier 1871, à Eugène Barbedette, Joseph Barbedette, Françoise Richer et Jeanne-Marie Lebossé, dans le hameau de Pontmain.We judge that the immaculate Virgin Mary, mother of God has veritably appeared, on 17 January 1871, to Eugène Barbedette, Joseph Barbedette, Françoise Richer and Jeanne-Marie Lebossé, in the hamlet of Pontmain.A new church was built in the commune after this apparition between 1873 and 1877.

In the camp were inmates from Austria, Alsace, Lorraine, Belgium, Luxembourg, Ottoman Empire etc.

Pontmain was served by the departmental railroad line connecting Laval to Landivy.