Prnjavor, a common South Slavic placename, meaning "village on a monastery's property", may refer to:
Bosnia and Herzegovina Prnjavor, Bosnia and Herzegovina, a town and municipality in northern Bosnia and Herzegovina Prnjavor, Bihać, village near Bihać Prnjavor (Kalesija), village near Kalesija Prnjavor, Vitez, a village near Vitez Prnjavor Veliki, village near Doboj Prnjavor Mali (Doboj), village near Doboj Prnjavor Mali (Banja Luka), village near Banjaluka
Croatia Laze Prnjavor, near Požega Prnjavor, Kapela, near Kapela Prnjavor, Brod-Posavina County, a village near Oprisavci
Montenegro Prnjavor, Plav, village near Plav
Serbia Prnjavor (Batočina), a village near Batočina Prnjavor (Trstenik), a village near Trstenik Prnjavor (Gornji Milanovac), a village near Gornji Milanovac Prnjavor (Belgrade), a suburban settlement of Belgrade Bešenovački Prnjavor, near Irig Ivkovački Prnjavor, near Jagodina Jošanički Prnjavor, near Jagodina Krušedol Prnjavor, near Irig Kalenićki Prnjavor, near Rekovac Mačvanski Prnjavor, a village near Šabac