Marcinowiczki [mart͡ɕinɔˈvit͡ʂki] is a village in the administrative district of Gmina Żarów, within Świdnica County, Lower Silesian Voivodeship, in south-western Poland. It lies approximately 6 kilometres (4 mi) north-east of Żarów, 17 km (11 mi) north-east of Świdnica, and 39 km (24 mi) south-west of the regional capital Wrocław.