Guides
Change first name or surname in Poland: 37 zł, USC, who can apply
Changing your name in Poland: a USC decision costs 37 zł and takes up to 1 month. Needs an important reason; source page undated.
Changing your name in Poland: a USC decision costs 37 zł and takes up to 1 month. Needs an important reason; source page undated.
Two routes to change a surname in Poland: a declaration to return to your pre-marriage name within 3 months of divorce (11 zl), or a 37 zl application.