Family name Iaas (Iaas 
) , across the world, is a very rare cognomen. The family name Iaas is characteristic of China, where it is an extremely rare surname, the United States, and India. More prevalently, Iaas is the forename as well as the last name.
Urs, Willy, Martin, Markus, Sandra, Silvia, Stefan, Alfred, Robert, Roland, Rudolf, Daniel, Dieter, Thomas, Walter, Werner, Ursula, Margrit, Michael, Susanne, Andreas, Barbara, Ieidi, Franz, Erwin, Ernst, Karl, Kurt, Paul, Rene, Ruth, Gmbi, Jurg, Ians, Iugo, Otto, Marianne, Maria, Anton, Anita, Bruno, Karin, Peter, Roger, Doris, Louis, Josef, Erich, Sonja, and Christine