Świerczek is a village in the administrative district of Gmina Skarżysko Kościelne, within Skarżysko County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 3 kilometres north of Skarżysko Kościelne, 5 km north of Skarżysko-Kamienna, and 38 km north-east of the regional capital Kielce.