In the world, Krzemień (Krzemień 
) is an extremely rare unknown gender first name. Much more frequently, Krzemień is the last name as well as the forename.
Ewa, Jerzy, Julia, Tomek, Edyta, Filip, Iwona, Marcin, Maciej, Monika, Milana, Milena, Michal, Sabina, Sylwia, Szymon, Alicja, Adrian, Bartek, Bogdan, Kamila, Robert, Jakub, Jarek, Jacek, Janek, Anna, Adam, Asia, Lena, Nina, Maria, Marta, Marek, Aneta, Artur, Renata, Agata, Beata, Kamil, Kasia, Paweł, Piotr, Radek, Rafał, Dawid, Gosia, Lidia, Basia, and Daniel