Frącki ([ˈfrɔnt͡ski]; Lithuanian: Fronckai) is a village in the administrative district of Gmina Giby, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland, close to the borders with Belarus and Lithuania. It lies approximately 16 kilometres (10 mi) south of Sejny and 97 km (60 mi) north of the regional capital Białystok.