Bujnów-Kolonia [ˈbui̯nuf kɔˈlɔɲa] is a village in the administrative district of Gmina Złoczew, within Sieradz County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) west of Złoczew, 26 km (16 mi) south-west of Sieradz, and 76 km (47 mi) south-west of the regional capital Łódź.