| Fleckeby Flækkeby | |
| Image Coa: | DEU Fleckeby COA.svg |
| Coordinates: | 54.485°N 9.7036°W |
| Image Plan: | Fleckeby in RD.png |
| State: | Schleswig-Holstein |
| District: | Rendsburg-Eckernförde |
| Amt: | Schlei-Ostsee |
| Elevation: | 8 |
| Area: | 12.31 |
| Postal Code: | 24357 |
| Area Code: | 04354 |
| Licence: | RD |
| Gemeindeschlüssel: | 01 0 58 052 |
| Website: | www.amt-schlei- ostsee.de |
| Mayor: | Heinrich Hauschildt |
Fleckeby (Danish: Flækkeby) is a municipality in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany.
Fleckeby is east of the municipality of Güby, but north of Hummelfeld.