Belforêt-en-Perche (French pronunciation: [bɛlfɔʁɛ ɑ̃ pɛʁʃ], literally Belforêt in Perche) is a commune in the department of Orne, northwestern France. The municipality was established on 1 January 2017 by merger of the former communes of Le Gué-de-la-Chaîne (the seat), Eperrais, Origny-le-Butin, La Perrière, Saint-Ouen-de-la-Cour and Sérigny. La Perrière is classed as a Petites Cités de Caractère.

Belforêt-en-Perche along with the communes of Vaunoise, Saint-Martin-du-Vieux-Bellême, Igé and Appenai-sous-Bellême is part of the Bois et coteaux calcaires sous Belleme a Natura 2000 conservation site. The site measures 105 hectares and is home to the European stag beetle and European ash.

The Commune along with another 70 communes also shares part of another Natura 2000 conservation area, called the Forêts et étangs du Perche.

• Botanical Garden of Le Bois du Puits is a botanical garden that was made open to the public in 2012, featuring over 2,000 species of plants.
• La Perrière botanical garden is a 230 m2 botanical garden in La Perrière to highlight plants of the local area.

The Commune has 6 buildings and areas listed as a Monument historique

• Former priory of Chènegallon a seventeenth century former priory in Eperrais.
• l'Evêque lodge a seventeenth century former lodge in La Perrière.
• Château de Morthimer a sixteenth century chateau in La Perrière.
• Château du Tertre a seventeenth century chateau in Sérigny, that from 1926 was home to Nobel prize winning novelist Roger Martin du Gard. The grounds and Estate are shared with the neighbouring commune of Saint-Martin-du-Vieux-Bellême
• Manoir de Soisai a sixteenth century Manor house in La Perrière.
• Lods house a twentieth century house in Sérigny built by architect Marcel Lods.

• Communes of the Orne department