| Langen | |
| Image Coa: | DEU Langen (Ems) COA.png |
| Coordinates: | 52.5417°N 7.4686°W |
| Image Plan: | Langen in EL.svg |
| State: | Niedersachsen |
| District: | Emsland |
| Samtgemeinde: | Lengerich |
| Elevation: | 47 |
| Area: | 33.52 |
| Postal Code: | 49838 |
| Area Code: | 05904 |
| Licence: | EL |
| Gemeindeschlüssel: | 03 4 54 028 |
| Mayor: | Franz Uhlenberg |
| Party: | CDU |
Langen is a municipality in the Emsland district, in Lower Saxony, Germany.