| Type: | Stadt |
| Betzdorf | |
| Image Coa: | DEU Betzdorf COA.svg |
| Coordinates: | 50.7856°N 7.8728°W |
| Image Plan: | Betzdorf in AK.svg |
| State: | Rheinland-Pfalz |
| District: | Altenkirchen (Westerwald) |
| Verbandsgemeinde: | Betzdorf-Gebhardshain |
| Elevation: | 211 |
| Area: | 9.57 |
| Postal Code: | 57501–57518 |
| Area Code: | 02741 |
| Licence: | AK |
| Gemeindeschlüssel: | 07 1 32 006 |
| Mayor: | Benjamin Geldsetzer[1] |
| Leader Term: | 2019 - 24 |
| Party: | SPD |
Betzdorf (pronounced as /de/) is a town and municipality in northern Rhineland-Palatinate, Germany.Betzdorf is part of the district of Altenkirchen. Betzdorf is located on the river Sieg, approx. south-west of Siegen. Betzdorf is the seat of the Verbandsgemeinde Betzdorf-Gebhardshain. Betzdorf (Sieg) station is a railway junction with closed marshalling yard on the Sieg Railway, the Betzdorf–Haiger railway and the .
It is twinned with the town of Ross-on-Wye, England.[2]