| Image Coa: | DEU Gierschnach COA.svg |
| Coordinates: | 50.2631°N 7.3508°W |
| Image Plan: | Gierschnach in MYK.png |
| State: | Rheinland-Pfalz |
| District: | Mayen-Koblenz |
| Verbandsgemeinde: | Maifeld (Verbandsgemeinde) |
| Elevation: | 170 |
| Area: | 3.27 |
| Postal Code: | 56294 |
| Area Code: | 02605 |
| Licence: | MYK |
| Gemeindeschlüssel: | 07 1 37 030 |
| Mayor: | Matthias Hörsch[1] |
| Leader Term: | 2023 - 24 |
Gierschnach is a municipality in the district of Mayen-Koblenz in Rhineland-Palatinate, western Germany.