Last name Gueniat (Gueniat 
) , worldwide, is a rare family name. The cognomen Gueniat is habitual in Switzerland, where it is quite a rare surname, France, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Very seldom, Gueniat is the forename as well as the last name.
Mr, Jeffery, Juliana, Nicolas, Michaël, Alzirene, Alzenira, Carolina, Cyrielle, Philippe, Ludovic, Laetitia, Ana Marta, Aparecida, Christian, Catherine, Guilherme, Elizabeth, Valentyna, Florimond, Christophe, Jérôme, Roxanne, Ataises, Adeline, Paul, Léa, Joã, Joé, Jean, Jeff, Elyn, Alain, Paola, Fabio, Markus, Andrea, Agueda, Pierre, Romain, Daniel, Lionel, Julien, Nicole, Michael, Alfredo, Christopher, and Jean-Pierre