Bački Monoštor (Serbian Cyrillic: Бачки Моноштор) is a village located in the Sombor municipality, in the West Bačka District of Serbia. It is situated in the autonomous province of Vojvodina. The village has a Croat majority (that belong to the Croat subgroup of Šokac). Population of Bački Monoštor is numbering 3,920 people (2002 census).