| Coordinates | 53°52′0″N 10°15′10″E |
|---|---|
| State | Schleswig-Holstein |
| District | Segeberg |
| Amt | Leezen |
| Elevation | 29 |
| Area | 14.98 |
| Postal code | 23816 |
| Area code | 04552 |
| Licence | SE |
| Gemeindeschlüssel | 01 0 60 053 |
| Divisions | 3 |
| Website | https://leezen-sh.de/ |
| Mayor | Ulrich Schulz |
Leezen (ˈleːtsn̩) is a municipality in the district of Segeberg, in Schleswig-Holstein, Germany. It is situated approximately 40 km northeast of Hamburg, and 9 km southwest of Bad Segeberg.
Leezen is the seat of the Amt ("collective municipality") Leezen.