| Image Coa: | Wappen_Gross_Schacksdorf.png |
| Coordinates: | 51.6864°N 14.625°W |
| Image Plan: | Groß Schacksdorf-Simmersdorf in SPN.png |
| State: | Brandenburg |
| District: | Spree-Neiße |
| Amt: | Döbern-Land |
| Elevation: | 85 |
| Area: | 25.11 |
| Postal Code: | 03149 |
| Area Code: | 035695 |
| Licence: | SPN |
| Gemeindeschlüssel: | 12 0 71 153 |
| Mayor: | Kirsten Schütz[1] |
| Leader Term: | 2024 - 29 |
Groß Schacksdorf-Simmersdorf (Lower Sorbian: Tšěšojce-Žymjerojce) is a municipality in the district of Spree-Neiße, in Lower Lusatia, Brandenburg, Germany.
From 1815 to 1947, the constituent localities of Groß Schacksdorf-Simmersdorf were part of the Prussian Province of Brandenburg. From 1952 to 1990, they were part of the Bezirk Cottbus of East Germany. On 31 December 2001, the municipality of Groß Schacksdorf-Simmersdorf was formed by merging the municipalities of Groß Schacksdorf and Simmersdorf.