| Halen | |
| Map: | Halen Limburg Belgium Map.svg |
| Map-Legend: | Location of Halen in Limburg |
| Arms: | Blason ville be Halen.svg |
| Flag: | Flag of Halen.svg |
| Arrondissement: | Hasselt |
| Nis: | 71020 |
| Mayor: | Erik Van Roelen (CD&V) |
| Majority: | CD&V |
| Postal-Codes: | 3545 |
| Telephone-Area: | 013 |
| Web: | www.halen.be |
| Coordinates: | 50.9481°N 5.1144°W |
Halen (in Dutch; Flemish pronounced as /ˈɦaːlə(n)/), formerly Haelen (Limburgan; Limburger; Limburgish: Hôle), is a city and municipality located in the Belgian province of Limburg, to the west of Hasselt. On January 1, 2018, Halen had a total population of 9,461. The total area is 36.29 km2 which gives a population density of 261 inhabitants per km2.
The municipality consists of the following sub-municipalities: Halen proper, Loksbergen, and Zelem.
During the First World War, on August 12, 1914, the Battle of Halen took place here near the river crossing of the Gete.