| Image Coa: | DEU Nienbüttel COA.svg |
| Coordinates: | 54.0303°N 9.415°W |
| Image Plan: | Nienbuettel in IZ.png |
| State: | Schleswig-Holstein |
| District: | Steinburg |
| Amt: | Schenefeld |
| Elevation: | 38 |
| Area: | 4.16 |
| Postal Code: | 25596 |
| Area Code: | 04827, 04892 |
| Licence: | IZ |
| Gemeindeschlüssel: | 01 0 61 076 |
| Mayor: | Günter John |
Nienbüttel is a municipality in the district of Steinburg, in Schleswig-Holstein, Germany.