Saint-Michel-Tubà Âuf () is a commune in the Orne department in north-western France. The commune was formed in 1965 by the merger of the former communes Saint-Michel-la-Forêt and Tubà Âuf.
The Commune has two buildings and areas listed as a Monument historique
Château de Thubeuf is a seventeenth century chateau and grounds, that was classed as a Monument historique in 1992.
Buat tower is a Chappe telegraph tower, built in the eighteenth century, as part of a 58 station system, used to convey messages from Paris to Brest.