Nowy Ostrów

Nowy Ostrów may refer to the following places:
 * Nowy Ostrów, Podlaskie Voivodeship (north-east Poland)
 * Nowy Ostrów, Kartuzy County in Pomeranian Voivodeship (north Poland)
 * Nowy Ostrów, Warmian-Masurian Voivodeship (north Poland)