Płochowo [pwɔˈxɔvɔ] is a village in the administrative district of Gmina Goniądz, within Mońki County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 7 kilometres (4 mi) north-west of Goniądz, 17 km (11 mi) north-west of Mońki, and 57 km (35 mi) north-west of the regional capital Białystok.