Last name Kowaas (Kowaas 
) , around the world, is quite a rare surname. The family name Kowaas is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, and Cambodia, where it is a very rare surname.
Jan, Alfian, Artika, Aileen, Regina, Donald, Taufan, Hendra, Sharon, Marchel, Juliana, Octavia, Yohanes, Novliany, Christian, Christine, Viencentia, Jennyoctavera, Maryll, Irvan, Fanly, Aldo, Devy, Dian, Eben, Yoko, Maria, Merry, Meisy, Adrie, Achel, Putra, Ricky, Geret, Jimmy, Jhuan, Nancy, Vonny, Christoffel, and Monica Patricia