Boisgervilly (; ; Gallo: Boéz-Jergaud) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
The inhabitants of Boisgervilly are known as Boisgervilliens in French.
The 19th-century church has an altar from the 17th century.
The chapel of St. Antoine was built in 1427.