Globally, Šimeček (Šimeček 
) is an extremely rare unknown gender forename. Much more frequently, Šimeček is the last name as well as the forename.
Jan, Martin, Matěj, Miloš, Michal, Patrik, Robert, Daniel, Jiří, Jáchym, Eduard, Viktor, Marťas, Dominik, Lukáš, Tomáš, Václav, Ondřej, Zdeněk, Miroslav, Ladislav, Jaroslav, Filip, Vojta, Venca, Honza, Ivo, Mark, Adam, Petr, Pepa, Vít, Marek, Milan, Mirek, Karel, Vojtěch, Kamil, Radim, Radek, Roman, David, Libor, Lubor, Jarda, Jakub, Josef, Jirka, Pavel, and Stanislav