Zaminowo [zamiˈnɔvɔ] is a village in the administrative district of Gmina Dziadkowice, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 22 kilometres (14 mi) north of Siemiatycze and 59 km (37 mi) south of the regional capital Białystok.