Bączylas [bɔnˈt͡ʂɨlas] is a village in the administrative district of Gmina Poniec, within Gostyń County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 7 kilometres (4 mi) north-east of Poniec, 14 km (9 mi) south-west of Gostyń, and 69 km (43 mi) south of the regional capital Poznań.