Słońsk Dolny [ˈswɔɲsk ˈdɔlnɨ] is a village in the administrative district of Gmina Aleksandrów Kujawski, within Aleksandrów County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies 6 kilometres (4 mi) north-east of Aleksandrów Kujawski and 19 km (12 mi) south-east of Toruń.