Choszczewo [xɔʂˈt͡ʂɛvɔ] is a village in the administrative district of Gmina Piątnica, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 14 kilometres (9 mi) north-east of Piątnica, 16 km (10 mi) north-east of Łomża, and 61 km (38 mi) west of the regional capital Białystok.