Karsy Dolne [ˈkarsɨ ˈdɔlnɛ] is a village in the administrative district of Gmina Pacanów, within Busko County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 3 kilometres (2 mi) south-east of Pacanów, 28 km (17 mi) east of Busko-Zdrój, and 65 km (40 mi) south-east of the regional capital Kielce.