Jamniki [jamˈniki] is a village in the administrative district of Gmina Urszulin, within Włodawa County, Lublin Voivodeship, in eastern Poland. It lies approximately 10 kilometres (6 mi) north-west of Urszulin, 33 km (21 mi) west of Włodawa, and 45 km (28 mi) north-east of the regional capital Lublin.