Trzemeszno Lubuskie ([tʂɛˈmɛʂnɔ luˈbuskʲɛ], formerly Czarnomyśl until 1816) is a village in the administrative district of Gmina Sulęcin, within Sulęcin County, Lubusz Voivodeship, in western Poland.

The village, formerly known in Polish as Czarmyśl and Czarnomyśl, was a private village, administratively located in the Poznań County in the Poznań Voivodeship in the Greater Poland Province of the Kingdom of Poland.

[3] In the course of the Second Partition of Poland in 1793, the village, under the Germanized name of Schermeisel, was annexed by the Kingdom of Prussia.

After World War II, with the implementation of the Oder-Neisse line the village was returned to Poland.

Wołkodar, a secret Warsaw Pact military storage facility for nuclear weapons, was built near the village in the 1960s.