Cognomen Lydka (Lydka 
) , worldwide, is a rare last name. The surname Lydka is characteristic of Poland, where it is a rare surname, the United Kingdom, where it is a very rare surname, and France, where it is an extremely rare surname. More frequently, Lydka is the forename as well as the last name.
Jan, Malgorzata, Karásková, Stanislaw, Sokolová, Zbigniew, Leokadia, Grzegorz, Popovici, Stefania, Urszula, Vargova, Jolanta, Gresova, Godušová, Petrušová, Kmecova, Mizeráková, Teresa, Janina, Bozena, Zofia, Jerzy, Piotr, Beata, Marek, Maria, Jzef, Adam, Anna, Ewa, Barbara, and Franciszek