Schleinitz may refer to:
Places Leuben-Schleinitz, a municipality in the district of Meißen, Saxony Schleinitz Range, a mountain range in north-central part of New Ireland, Papua New Guinea
People Alexander (Gustav Adolf) von Schleinitz (1807–1885), Prussian statesman, minister of the royal household Siegmund Freiherr von Schleinitz (1890–1968)