Worldwide, Łącz (Łącz , Лонч ) is an extremely rare unknown gender forename. Much more prevalently, Łącz is the last name as well as the forename.
Lacz
Ewa, Weronika, Grzegorz, Krzysiek, Karolina, Łukasz, Natalia, Dariusz, Klaudia, Michał, Mariusz, Tomasz, Marian, Iwona, Filip, Jakub, Laura, Dawid, Radek, Piotr, Paweł, Marta, Pola, Anna, Magdalena, and Aleksandra
, Лонч 
) is an extremely rare unknown gender forename. Much more prevalently, Łącz is the last name as well as the forename.