Globally, Vlášek (Vlášek ) is an extremely rare unknown gender first name. Much more frequently, Vlášek is the last name as well as the forename.
Vlasek, and Vlášková
Jan, Jaroslav, Miroslav, Václav, Tomáš, Lukáš, Dalibor, Jiří, Daniel, Rudolf, Robert, Patrik, Michal, Martin, Ondra, Honza, Jirka, Josef, Jakub, David, Radek, Pavel, Karel, Mirek, Milan, Petr, Kuba, Adam, Jindřich, and Vladimír
) is an extremely rare unknown gender first name. Much more frequently, Vlášek is the last name as well as the forename.