Olszowiec

Olszowiec may refer to:
 * Olszowiec, Lublin County in Lublin Voivodeship (east Poland)
 * Olszowiec, Puławy County in Lublin Voivodeship (east Poland)
 * Olszowiec, Opoczno County in Łódź Voivodeship (central Poland)
 * Olszowiec, Radomsko County in Łódź Voivodeship (central Poland)
 * Olszowiec, Tomaszów Mazowiecki County in Łódź Voivodeship (central Poland)
 * Olszowiec, Subcarpathian Voivodeship (south-east Poland)
 * Olszowiec, Gmina Brochów in Masovian Voivodeship (east-central Poland)
 * Olszowiec, Gmina Iłów in Masovian Voivodeship (east-central Poland)