Koźliny [kɔˈʑlinɨ] is a village in the administrative district of Gmina Złoczew, within Sieradz County, Łódź Voivodeship, in central Poland. It lies approximately 6 kilometres (4 mi) south-east of Złoczew, 25 km (16 mi) south of Sieradz, and 71 km (44 mi) south-west of the regional capital Łódź.