Łążek Ordynacki [ˈwɔ̃ʐɛk ɔrdɨˈnat͡ski] is a village in the administrative district of Gmina Janów Lubelski, within Janów Lubelski County, Lublin Voivodeship, in eastern Poland. It lies approximately 13 kilometres (8 mi) south-west of Janów Lubelski and 71 km (44 mi) south of the regional capital Lublin.