Lengerich (German pronunciation: [ˈlɛŋəʁɪç] ⓘ) is a town in the district of Steinfurt, in North Rhine-Westphalia, Germany.

Lengerich is situated at the Wanne-Eickel-Hamburg railway and offers half-hourly connections to Münster and Osnabrück.

The A1 autobahn also runs through Lengerich and the Lengerich/Tecklenburg exit is located to the west of the city.

The mayor is the pharmacist Wilhelm Möhrke (independent), the predecessor was Friedrich Prigge.

Lengerich, Westphalia is twinned with: Lengerich's neighboring municipalities, Ladbergen and Lienen, are sister cities in the United States with Wapakoneta's neighbors New Knoxville and Saint Marys, respectively.