Koryciny [kɔrɨˈt͡ɕinɨ] is a village in the administrative district of Gmina Grodzisk, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) north of Grodzisk, 27 km (17 mi) north of Siemiatycze, and 60 km (37 mi) south-west of the regional capital Białystok.