| Type: | Ortsgemeinde |
| Wiersdorf | |
| Image Coa: | DEU Wiersdorf COA.svg |
| Coordinates: | 50.0075°N 6.4519°W |
| Image Plan: | Wiersdorf in BIT.svg |
| State: | Rheinland-Pfalz |
| District: | Eifelkreis Bitburg-Prüm |
| Verbandsgemeinde: | Bitburger Land |
| Elevation: | 290 |
| Area: | 4.06 |
| Postal Code: | 54636 |
| Area Code: | 06569 |
| Licence: | BIT |
| Gemeindeschlüssel: | 07 2 32 134 |
| Website: | Wiersdorf at the Bitburger Land website www.bitburg-land.de |
| Mayor: | Stefan Theis[1] |
| Leader Term: | 2019 - 24 |
| Bürgermeistertitel: | Ortsbürgermeister |
Wiersdorf is a municipality in the district of Bitburg-Prüm, in Rhineland-Palatinate, western Germany.