| Image Coa: | DEU Kronshagen COA.svg |
| Coordinates: | 54.3333°N 15°W |
| Image Plan: | Kronshagen in RD.png |
| State: | Schleswig-Holstein |
| District: | Rendsburg-Eckernförde |
| Elevation: | 14 |
| Area: | 5.35 |
| Postal Code: | 24119 |
| Area Code: | 0431 |
| Licence: | RD |
| Gemeindeschlüssel: | 01 0 58 092 |
| Website: | www.kronshagen.de |
| Mayor: | Ingo Sander |
| Party: | CDU |
Kronshagen is a municipality in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany. It is situated approximately 23 km southeast of Eckernförde, and 3 km west of Kiel.