Byczeń [ˈbɨt͡ʂɛɲ] is a village in the administrative district of Gmina Kamieniec Ząbkowicki, within Ząbkowice Śląskie County, Lower Silesian Voivodeship, in south-western Poland.

It lies approximately 2 kilometres (1 mi) south-east of Kamieniec Ząbkowicki, 10 kilometres (6 mi) south-east of Ząbkowice Śląskie, and 69 kilometres (43 mi) south of the regional capital Wrocław.