| Coordinates: | 53.3°N 28°W |
| Image Plan: | Alt_Krenzlin_in_LUP.svg |
| State: | Mecklenburg-Vorpommern |
| District: | Ludwigslust-Parchim |
| Amt: | Ludwigslust-Land |
| Elevation: | 54 |
| Area: | 37.57 |
| Postal Code: | 19288 |
| Area Code: | 038751, 038754 |
| Licence: | LUP, HGN, LBZ, LWL, PCH, STB |
| Gemeindeschlüssel: | 13 0 76 001 |
| Divisions: | 5 Ortsteile |
| Website: | www.amt-ludwigslust-land.de |
| Mayor: | Kersten Schmidt |
| Party: | SPD |
Alt Krenzlin is a municipality in the Ludwigslust-Parchim district, in Mecklenburg-Vorpommern, Germany.