| Image Coa: | DEU Fiefbergen COA.svg |
| Coordinates: | 54.3808°N 10.3439°W |
| Image Plan: | Fiefbergen in PLOE.png |
| State: | Schleswig-Holstein |
| District: | Plön |
| Amt: | Probstei |
| Elevation: | 26 |
| Area: | 5.8 |
| Postal Code: | 24217 |
| Area Code: | 04344 |
| Licence: | PLÖ |
| Gemeindeschlüssel: | 01 0 57 020 |
| Website: | www.amt-probstei.de |
| Mayor: | Silke Lorenzen |
Fiefbergen is a municipality in the district of Plön, in Schleswig-Holstein, Germany.