Lommel (Dutch pronunciation: [ˈlɔməl]) is a municipality and city in the Belgian province of Limburg. Lying in the Kempen, it has about 34,000 inhabitants and is part of the arrondissement of Maaseik.

Besides the residential town, Lommel also has a number of nature reserves, such as the nature reserve De Watering, the Lommel Sahara, and numerous forests and heathlands. Lommel is the third shopping city in Belgian Limburg with a commercial and shopping center De Singel. Importantly, the silver sand that is mined here for the benefit of the glass industry. Some sand mining quarries are transformed into nature reserves and recreational areas, including Lommel Sahara.

The city of Lommel is in the watershed of the basins of the Scheldt, and Meuse, and within these basins Nete Dommel respectively.

Tamar, a maternity home for pregnant girls and unmarried mothers and their children run by the Congregation of Kindsheid Jesu, is located in Lommel. Despite its religious mission to help young women, Tamar was notorious for numerous scandals, including forced adoptions, unwanted sterilizations, and abuse of the women placed in its care.

The dialect of Lommel is, despite its location in Limburg, part of the East Brabantian, not the Limburgish dialects, reflecting the particular history of the city.

The name comes from Loemelo. Loem means moist, swampy and Lo is forest or woodland.^{[citation needed]}

All historical data relating to the current municipality, including towns such as arose after the merger of January 1, 1977.

The city of Lommel is located in the arrondissement of Maaseik and the Limburg parliamentary constituency (which coincides with the province of Limburg).