Ciechanów is a city in Poland with 5 notable football players born there according to Wikidata. This includes 4 male and 1 female players. Players were born between 1901–1995. The most prominent are Łukasz Mierzejewski, Leszek Ojrzyński, Joanna Wróblewska, Łukasz Nawotczyński and Tomasz Welna.
