| Coordinates: | 50.9928°N 12.3575°W |
| Image Plan: | Monstab in ABG.png |
| State: | Thüringen |
| District: | Altenburger Land |
| Verwaltungsgemeinschaft: | Rositz |
| Elevation: | 195 |
| Area: | 5.66 |
| Postal Code: | 04617 |
| Area Code: | 034498 |
| Licence: | ABG |
| Gemeindeschlüssel: | 16 0 77 034 |
| Divisions: | 5 |
| Website: | www.monstab-web.de |
| Mayor: | Uwe Vogel[1] |
| Leader Term: | 2022 - 28 |
Monstab is a municipality in the district Altenburger Land, in Thuringia, Germany. Monstab is located about 6 kilometers west from Altenburg.
Within the German Empire (1871–1918), Monstab was part of the Duchy of Saxe-Altenburg.