Last name Waiau (Waiau 
) , all around the world, is a very rare cognomen. The surname Waiau is habitual in Northern America, particularly the United States, where it is a very rare surname.
Mona, Kamran, Kahiau, Pamala, Dwayne, Janice, Joseph, Justin, Ikaika, Oliver, Olivia, Matthew, Shelley, Anthony, Annette, Berlynn, Bethany, Kenneth, Kelealani, Phyllis, Richard, Leilani, Karlee, Brenda, Aileen, Andrea, Alen, Lisa, Jane, Jacy, Mandy, Maile, Micah, Simon, Stacy, Cindy, Jessica, Bobbi, Kaila, Kaina, Kelly, Keala, Keola, Pearl, Robin, Henry, Makana, Monica, Kaleo, and Natasha