Cognomen Yaiso (Yaiso 
) , all around the world, is a rare family name. The surname Yaiso is characteristic of Philippines, where it is a rare surname, and Venezuela, where it is an extremely rare surname. Much less frequently, Yaiso is the forename as well as the last name.
Vic, Artemio, Adelita, Charito, Charose, Conselo, Rosalie, Renaldo, Juanito, Junnick, Nicanor, Ernesto, Egmidio, Marnelle, Angelito, Dionesio, Jennylou, Virginia, Annabelle, Jefferson, Hoswie, Jackieline, Danilo, Archie, Rody, Jose, Joan, Jean, Nora, Sonia, Danie, Donie, Garry, Gerry, James, Josue, Jerry, Jemar, Eddie, Vilma, Marlon, Marbie, Anabel, Cirila, and Christian Noel