Lonlay-l'Abbaye (French pronunciation: [lɔ̃lɛ labei] ⓘ) is a commune in the Orne department in north-western France, situated midway between the towns of Domfront and Flers.

It has a beautiful abbey and town square and is surrounded by walks and scenery, including the local viewpoint Fosse Arthur.

Lonlay-l'Abbaye shares a Natura 2000 protected area, Landes du Tertre Bizet et Fosse Arthour, with two other communes Domfront en Poiraie and Saint-Georges-de-Rouelley.

The Commune has two buildings and areas listed as a Monument historique.

This Orne geographical article is a stub.