Miedwieżyki (Polish pronunciation: [mjɛdvjɛˈʐɨkʲi]) is a village in the administrative district of Gmina Milejczyce, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 10 kilometres (6 mi) east of Milejczyce, 29 km (18 mi) east of Siemiatycze, and 69 km (43 mi) south of the regional capital Białystok.