| Image Coa: | DEU Altenkrempe COA.svg |
| Coordinates: | 54.1333°N 10.8261°W |
| Image Plan: | Altenkrempe in OH.png |
| State: | Schleswig-Holstein |
| District: | Ostholstein |
| Amt: | Ostholstein-Mitte |
| Elevation: | 3 |
| Area: | 36.64 |
| Postal Code: | 23730 |
| Area Code: | 04561 |
| Licence: | OH |
| Gemeindeschlüssel: | 01 0 55 002 |
| Mayor: | Klaus Weidemann |
Altenkrempe is a municipality in the district of Ostholstein, in Schleswig-Holstein, Germany.