| Image Coa: | DEU Mönkhagen COA.svg |
| Coordinates: | 53.9°N 10.5575°W |
| Image Plan: | Mönkhagen in OD.svg |
| State: | Schleswig-Holstein |
| District: | Stormarn |
| Amt: | Nordstormarn |
| Elevation: | 48 |
| Area: | 7.3 |
| Postal Code: | 23619 |
| Area Code: | 04506 |
| Licence: | OD |
| Gemeindeschlüssel: | 01 0 62 048 |
| Website: | www.amt-nordstormarn.de |
| Mayor: | Klaus Bleiziffer |
Mönkhagen is a municipality in the district of Stormarn, in Schleswig-Holstein, Germany.