Cognomen Giak (Giak 
) , globally, is a rare family name. The last name Giak is habitual in Malaysia, where it is quite a rare surname, Greece, where it is a rare surname, and Italy, where it is a very rare surname. Much less frequently, Giak is the forename as well as the last name.
Mr, Stella, Andrew, Chrisa, Bexter, Janice, Tan Ah, Floria, Others, Yannis, Michael, Stelios, Giacomo, Norbert, Vension, Saw Ling, Dimitris, Gianluca, Encik, Jacke, Linda, Dario, Ms, Ni, Dim, Gio, Lee, Lim, Tan, Vic, Low Chow, Ong, Stel, Alex, Anna, Choo, Chow, Puan, Manos, Peppe, Yeo, and Vincenzo