Härtnagel (Härtnagel)
- District of Kempten (Allgäu), Bavaria, Germany
- Country:
- Postal Code: 87439
- Local Dialing Code: 0831
- Coordinates: 47° 45' 10" N, 10° 17' 49" E
- GPS tracks (wikiloc): [Link]
- Wikidata storage: Wikidata: Q1642422
- Wikipedia Commons Category: [Link]
- Bavarian monument authority ID: D-7-63-000-249