Rydzewo [rɨˈd͡zɛvɔ] is a village in the administrative district of Gmina Rajgród, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 11 kilometres (7 mi) west of Rajgród, 8 km (5 mi) north-east of Grajewo, and 78 km (48 mi) north-west of the regional capital Białystok.