Koczery [kɔˈt͡ʂɛrɨ] is a village in the administrative district of Gmina Drohiczyn, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 4 kilometres (2 mi) north-east of Drohiczyn, 12 km (7 mi) west of Siemiatycze, and 84 km (52 mi) south of the regional capital Białystok.