Lachówka Duża [laˈxufka ˈduʐa] is a village in the administrative district of Gmina Zalesie, within Biała Podlaska County, Lublin Voivodeship, in eastern Poland. It lies approximately 2 kilometres (1 mi) east of Zalesie, 19 km (12 mi) east of Biała Podlaska, and 104 km (65 mi) north-east of the regional capital Lublin.