Schleiz may refer to:
- Schleiz, a town currently located in Saale-Orla Kreis, Thüringen, Germany, formerly in the principality of Reuß-jungere-Linie.
- Schleiz, a county which existed from 1922 - 1994 in the newly formed state of Thüringen, Germany.
- Reuß-Schleiz, a principality which existed from 1806-1918.
- The Herrschaft Schleiz which existed from 1113 to 1806.
| This disambiguation page lists articles associated with the title, Schleiz.