Banassa (foaled 1950) was a French Thoroughbred racehorse bred and raced by Julien Décrion. Named for an ancient Roman village in Morocco, she was sired by Décrion's multiple race winner Un Gaillard and out of his mare, Fatou Gaye.Banassa was trained by William Head, a descendant of the founders of the English Racing Colony at Chantilly. Ridden by Claudius Lalanne, as a three-year-old Banassa won the Prix Cleopatre and was second in the French Classic, the Prix de Diane.