Milejczyce [mʲilɛi̯ˈt͡ʂɨt͡sɛ] (Ukrainian: Мілейчиці, Mileichytsi) is a village in Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It is the seat of the gmina (administrative district) called Gmina Milejczyce.