Siemiony [ɕɛˈmjɔnɨ] is a village in the administrative district of Gmina Grodzisk, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 5 kilometres (3 mi) north-east of Grodzisk, 22 km (14 mi) north of Siemiatycze, and 62 km (39 mi) south-west of the regional capital Białystok.