Family name Svach (Svach 
) , worldwide, is a rare surname. The cognomen Svach is habitual in Czechia, where it is quite a rare surname, Slovakia, where it is a rare surname, and Netherlands, where it is a very rare surname. Measured by absolute frequency, it is commonest in Czechia, the United States, and Slovakia.
Mr, Martin, Maxine, Steven, Blaire, Krista, Daniel, George, Gilles, Jagger, Joseph, Judith, Taylor, Teresa, Edward, Hallie, Matthew, Michael, Mikayla, Anthony, Tomã, Johny, Josef, Louis, Cam, Jan, Mary, Mike, Anne, Petr, Rene, Lois, John, Katrina, Jiri, Megan, Shane, Sonia, Allan, Annie, Betty, Peter, David, Linda, Vera, and Kirsten