Kadłubiska is a village in the administrative district of Gmina Komarów-Osada, within Zamość County, Lublin Voivodeship, in eastern Poland. It lies approximately 5 kilometres (3 mi) north-east of Komarów-Osada, 20 km (12 mi) east of Zamość, and 93 km (58 mi) south-east of the regional capital Lublin.