Family name Gwenvael (Gwenvael 
) , globally, is an extremely rare last name. Much more frequently, Gwenvael is the forename as well as the last name.
Mao, Launay, Le Gal, Loarer, Tallec, Mercier, Couprie, Brebion, Porsmoguer, Poulnais, Rafinon, Dussaux, Galivel, Gourbil, Lemoine, Leblanc, Hocquette, Chevalier, Cochevelou, Belleguic, Dréau, Constantin, Brunet, Boulic, Mahe, Moel, Bigi, Riou, Haze, Maire, Riche, Doré, Lucas, Jegou, Jéquel, Neveu, Hamel, Hasle, Herry, Herve, Quere, Cabrol, Couhault, Brient, and Fretelliere