| Image Coa: | Barkelsby Wappen.png |
| Coordinates: | 54.5031°N 9.8367°W |
| Image Plan: | Barkelsby in RD.png |
| State: | Schleswig-Holstein |
| District: | Rendsburg-Eckernförde |
| Amt: | Schlei-Ostsee |
| Elevation: | 22 |
| Area: | 17.87 |
| Postal Code: | 24360 |
| Area Code: | 04351 |
| Licence: | RD |
| Gemeindeschlüssel: | 01 0 58 012 |
| Website: | www.amt-schlei- ostsee.de |
| Mayor: | Wolf-Dieter Ohrt |
Barkelsby (Danish: Barkelsby) is a municipality in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany.