Surname Sustek (Sustek 
) , all over the world, is quite a rare cognomen. The cognomen Sustek is characteristic of Slovakia, where it is quite a common surname, Czechia, where it is quite a rare surname, and Australia, where it is a rare surname. Measured by absolute frequency, it is commonest in Czechia, Slovakia, and the United States.
Mr, Erin, Emil, Vera, Igor, Olga, Yoni, Maria, Marie, Marek, Jiri, Milan, Mindy, Scott, Alice, Alvin, Allen, Cindy, Karen, Pavel, Pavol, Milos, Roman, Judy, Joan, Mia, Kim, Jan, Tom, Eva, Mary, Alex, Anna, Beth, Jean, Kris, Petr, Rick, Rudy, Dale, Dawn, Dian, Lisa, Lori, John, Paul, and David