Montigny () is a commune in the Calvados department in the Normandy region in northwestern France.
The commune is made up of the following collection of villages and hamlets, Les Longs Baux, Le Mesnil le Noble and Montigny.
The river Ajon is the only watercourse that flows through the commune.
The commune is on the border of the area known as Suisse Normande.
Montigny, along with eight other communes, Amayé-sur-Orne, Maizet, Avenay, Préaux-Bocage, Maisoncelles-sur-Ajon, Sainte-Honorine-du-Fay, Vacognes-Neuilly and Montillières-sur-Orne, is a member of The ICL Val Orne, which has organised being twinned with: