Gontarze [ɡɔnˈtaʐɛ] is a village in the administrative district of Gmina Zbójna, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland.

According to the General Population Census of 1921, 126 people lived here in 19 residential buildings.

[2] The town belonged to the Roman Catholic parish in Zbójna.

It was subordinated to the Town Court in Kolno and the District Court in Łomża; the proper post office was in Zbójna.

This Łomża County location article is a stub.