Globally, Potůček (Potůček 
) is an extremely rare unknown gender first name. Much more frequently, Potůček is the last name as well as the forename.
Jan, Miloš, Michal, Daniel, Danndy, Jiří, Šimon, Richard, Matěj, Dominik, Tomáš, Honzík, Václav, Ondřej, Zdeněk, Miroslav, Jaroslav, Lukáš, Vojtěch, Martin, Honza, Petr, Pepa, Olda, Marek, Milan, Alois, Karel, Ondra, Kamil, Radek, Roman, David, Libor, Jakub, Josef, Jirka, Pavel, and Stanislav