Throughout the world, Košťák (Košťák ) is an extremely rare unknown gender first name. Much more frequently, Košťák is the last name as well as the forename.
Kostak
Jan, Petr, Jana, Roman, David, Martin, Michal, Daniel, Jiří, Matyáš, Lukáš, Tomáš, Ondřej, Přemysl, Ladislav, and Jaroslav
) is an extremely rare unknown gender first name. Much more frequently, Košťák is the last name as well as the forename.