Wojdy [ˈvɔi̯dɨ] is a village in the administrative district of Gmina Rajgród, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 2 kilometres (1 mi) south of Rajgród, 19 km (12 mi) north-east of Grajewo, and 76 km (47 mi) north-west of the regional capital Białystok.