Zajączkowice [zajɔnt͡ʂkɔˈvit͡sɛ] is a village in the administrative district of Gmina Waśniów, within Ostrowiec County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 2 kilometres (1 mi) south of Waśniów, 14 km (9 mi) south-west of Ostrowiec Świętokrzyski, and 43 km (27 mi) east of the regional capital Kielce.