Nieciki [ɲɛˈt͡ɕiki] is a village in the administrative district of Gmina Wąsosz, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) south-west of Wąsosz, 24 km (15 mi) south-west of Grajewo, and 72 km (45 mi) north-west of the regional capital Białystok.