In the world, Čížek (Čížek 
, Чижек 
) is an extremely rare unknown gender given name. Much more frequently, Čížek is the last name as well as the forename.
Dan, David, Libor, Lubor, Jarda, Jakub, Josef, Jenda, Jirka, Tomas, Tonda, Honza, Venca, Filip, Ondra, Marian, Martin, Matouš, Matěj, Miloš, Michal, Patrik, Denis, Robí, Roman, Radek, Jan, Ing, Ivo, Ota, Maty, Adam, Kuba, Petr, Pepa, Erik, Robert, Hugo, Marek, Matej, Milan, Míra, Aleš, Karel, Kamil, Kája, Pavel, Radim, Ivan, and Daniel