Sięciaszka Pierwsza [ɕɛnˈt͡ɕaʂka ˈpjɛrfʂa] is a village in the administrative district of Gmina Łuków, within Łuków County, Lublin Voivodeship, in eastern Poland. It lies approximately 5 kilometres (3 mi) west of Łuków and 79 km (49 mi) north of the regional capital Lublin.