Family name Guénaël (Guenael 
, Guénaël ) , in all the world, is a very rare cognomen. The surname Guénaël is habitual in Western Europe, particularly France, where it is a very rare surname. Predominantly, Guénaël is the forename as well as the last name.
Rio, Palchy, Pendic, Pinson, Robert, Rigaux, Loezic, Thomas, Floc'H, Wagner, Médina, Méhaignerie, Carpier, Bonneau, Portier, Drouard, Audebert, Rouillé, Vallarcher, Guillerme, Guillemot, Guillanton, Breton, Boinot, Bourry, Agnès, Soum, Peri, Poux, Roux, Dano, Jade, Ondo, Morin, Revel, David, Frémondière, Dumur, Larue, Hamel, Hesry, Friot, Fiaut, Orhan, Morvan, Mélas, André, Amieux, Gloux, and Brunet-Rio