Across the world, Sieńkowski (Sieńkowski ) is an extremely rare unknown gender given name. Predominantly, Sieńkowski is the last name as well as the forename.
Sienkowski
Adam, Łukasz, Tobiasz, Dariusz, Bartosz, Andrzej, Michał, Mateusz, Mariusz, Tomasz, Krystian, Robert, Maciej, Marcin, Jakub, Rafał, Piotr, Paweł, Kamil, Artur, Marek, Konrad, and Grzegorz
) is an extremely rare unknown gender given name. Predominantly, Sieńkowski is the last name as well as the forename.