Bois Roussel (1935–1955) was a French-bred Thoroughbred champion racehorse and a leading broodmare sire.

His breeder was Leon Volterra who acquired his sire, Vatout, and his dam as part of his purchase of Haras du Bois Roussel from American, Jefferson Davis Cohn.

Ridden by jockey Charlie Elliott Bois Roussel scored an upset victory in England's most prestigious race.

[5] In his only other race start, Bois Roussel ran third to the undefeated Nearco in the Grand Prix de Paris.

Bois Roussel's daughters were also outstanding producers who made him the Leading broodmare sire in Great Britain & Ireland in 1959 and 1960.