Trześnie [ˈtʂɛɕɲɛ] is a village in the administrative district of Gmina Strzelin, within Strzelin County, Lower Silesian Voivodeship, in south-western Poland.

It lies approximately 6 kilometres (4 mi) north-east of Strzelin, and 35 kilometres (22 mi) south of the regional capital Wrocław.