Throughout the world, Růžek (Růžek 
, Ружек 
) is an extremely rare unknown gender first name. Predominantly, Růžek is the last name as well as the forename.
Jan, Matěj, Michal, Patrik, Prokop, Robert, Jiří, Lukáš, Martin, Tomáš, Václav, Ondřej, Zdeněk, Miroslav, Jaroslav, Vojtěch, Vladimír, Heřman, Marian, Filip, Fanda, Kuba, Petr, Pepa, Vít, Marek, Milan, Karel, Kamil, Pavel, Roman, David, Libor, Jakub, Josef, Jirka, Honza, Vojta, Vlastimil, and Štěpán