| Image Coa: | Wappen Wiedemar (Sachsen).svg |
| Coordinates: | 51.4833°N 26°W |
| Image Plan: | Wiedemar in TDO.png |
| State: | Sachsen |
| District: | Nordsachsen |
| Elevation: | 115 |
| Area: | 93.48 |
| Postal Code: | 04509 |
| Area Code: | 034207 |
| Licence: | TDO |
| Gemeindeschlüssel: | 14730340 |
| Divisions: | 7 |
| Website: | www.wiedemar.de |
| Mayor: | Steve Ganzer[1] |
| Leader Term: | 2020 - 27 |
| Party: | CDU |
Wiedemar is a municipality in the district of Nordsachsen, in Saxony, Germany.