Zajączki Pierwsze [zaˈjɔnt͡ʂki ˈpjɛrfʂɛ] is a village in the administrative district of Gmina Krzepice, within Kłobuck County, Silesian Voivodeship, in southern Poland. It lies approximately 4 kilometres (2 mi) north of Krzepice, 18 km (11 mi) north-west of Kłobuck, and 86 km (53 mi) north of the regional capital Katowice.