| Type: | Stadt |
| Image Coa: | Wappen Sonnewalde.png |
| Coordinates: | 51.6831°N 13.65°W |
| Image Plan: | Sonnewalde in EE.png |
| State: | Brandenburg |
| District: | Elbe-Elster |
| Elevation: | 101 |
| Area: | 118.54 |
| Postal Code: | 03249 |
| Area Code: | 035323 |
| Licence: | EE, FI, LIB |
| Gemeindeschlüssel: | 12 0 62 469 |
| Divisions: | 17 Ortsteile bzw. Stadtbezirke |
| Website: | www.stadt-sonnewalde.de |
| Mayor: | Felix Freitag[1] |
| Leader Term: | 2019 - 27 |
Sonnewalde is a town in the Elbe-Elster district, in Lower Lusatia, Brandenburg, Germany. It is situated 8 km northwest of Finsterwalde.
From 1815 to 1947, Sonnewalde was part of the Prussian Province of Brandenburg. From 1952 to 1990, it was part of the Bezirk Cottbus of East Germany.