Sainte-Marie-du-Bois (French pronunciation: [sɛ̃t maʁi dy bwa]) is a commune in the Mayenne department in north-western France.

[3] The town is near the regional park Normandie-Maine, approximately 11 km.

The municipality covers 11.3 km2 and had 228 inhabitants in 2021, population density 20 inhabitants per square kilometre.

Its population has increased by 8.5% since 1999.

This Mayenne geographical article is a stub.