Brzezina Sułowska [bʐɛˈʑina suˈwɔfska] is a village in the administrative district of Gmina Milicz, within Milicz County, Lower Silesian Voivodeship, in south-western Poland.

It lies approximately 10 kilometres (6 mi) west of Milicz, and 47 kilometres (29 mi) north of the regional capital Wrocław.