In the world, Kvasnička (Kvasnička 
) is an extremely rare unknown gender first name. Much more prevalently, Kvasnička is the last name as well as the forename.
Dan, Miloš, Michal, Patrik, Péťa, Robert, Daniel, Dušan, Luboš, Jelena, Jiří, Eduard, Šimon, Richard, Lukáš, Lubomír, Tomáš, Václav, Ondřej, Zdeněk, Zbyněk, Ladislav, Matěj, Martin, Frakvas, Honza, Jan, Ing, Ivo, Adam, Petr, Ján, Erik, Matej, Milan, Aleš, Jaroslav, Karel, Kamil, Pavel, Petra, Radim, Radek, Roman, David, Libor, Jakub, Josef, Karlo, and Jadranka