Boistrudan (French pronunciation: [bwatʁydɑ̃]; Breton: Koetruzan; Gallo: Boéz-Trudan) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Inhabitants of Boistrudan are called Boistrudanais in French.

Bosco Truant in 1197,[3] Boays-Trudant in the 16th century, then Bois-Trudain in 1685, Bois-trudaine around 1780.

Meaning : Truant's wood, Truant can be a surname or the common word for "beggar, tramp" in Old French.

This Ille-et-Vilaine geographical article is a stub.