Worldwide, Zygadlo (Zygadlo 
) is an extremely rare unknown gender given name. Much less frequently, Zygadlo is the last name as well as the forename.
Jan, Grazyna, Jadwiga, Jolanta, Tadeusz, Wieslaw, Zygmunt, Miroslaw, Krystyna, Grzegorz, Elzbieta, Wieslawa, Zbigniew, Stanislaw, Agnieszka, Katarzyna, Kazimierz, Krzysztof, Wladyslaw, Malgorzata, Mieczyslaw, Stanislawa, Ryszard, Barbara, Andrzej, Waclaw, Ewa, Anna, Adam, Jzef, Maria, Marek, Piotr, Jacek, Jerzy, Irena, Aleksander, Zofia, Antoni, Bogdan, Bozena, Danuta, Janina, Janusz, Teresa, Halina, Henryk, Helena, Marian, and Franciszek