| Warder | |
| Image Coa: | DEU Warder (Kreis Rendsburg-Eckernförde) COA.svg |
| Coordinates: | 54.2167°N 62°W |
| Image Plan: | Warder in RD.png |
| State: | Schleswig-Holstein |
| District: | Rendsburg-Eckernförde |
| Amt: | Nortorfer Land |
| Elevation: | 28 |
| Area: | 8.71 |
| Postal Code: | 24646 |
| Area Code: | 04329 |
| Licence: | RD |
| Gemeindeschlüssel: | 01 0 58 168 |
| Website: | www.amt-nortorfer- land.de |
| Mayor: | Jürgen Lucht |
Warder is a municipality in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany.