| Lengerich | |
| Image Coa: | DEU Lengerich (Ems) COA.png |
| Coordinates: | 52.55°N 39°W |
| Image Plan: | Lengerich in EL.svg |
| State: | Niedersachsen |
| District: | Emsland |
| Samtgemeinde: | Lengerich |
| Elevation: | 41 |
| Area: | 31.73 |
| Postal Code: | 49838 |
| Area Code: | 05904 |
| Licence: | EL |
| Gemeindeschlüssel: | 03454031 |
| Website: | www.lengerich-emsland.de |
| Mayor: | Gerhard Wübbe |
| Party: | CDU |
Lengerich (pronounced as /de/) is a municipality in the Emsland district, in Lower Saxony, Germany. It is situated approximately 15 km east of Lingen.
Lengerich is the seat of the Samtgemeinde ("collective municipality") Lengerich.