| Type: | Ortsteil |
| Municipality: | Südharz |
| Coordinates: | 51.4789°N 11.1631°W |
| State: | Sachsen-Anhalt |
| District: | Mansfeld-Südharz |
| Elevation: | 150 |
| Area: | 3.31 |
| Population: | 138 |
| Stand: | 2006-12-31 |
| Postal Code: | 06528 |
| Area Code: | 034656 |
| Licence: | MSH |
| Website: | www.kleinleinungen.de |
Kleinleinungen is a village and a former municipality in the Mansfeld-Südharz district, Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the municipality Südharz.