| Official Name: | Opglabbeek |
| Native Name: | Glabbek |
| Native Name Lang: | li |
| Settlement Type: | Town |
| Pushpin Map: | Belgium |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Belgium |
| Pushpin Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | Province |
| Subdivision Type3: | Arrondissement |
| Subdivision Type4: | Municipality |
| Subdivision Name: |  |
| Subdivision Name1: | Flemish Region |
| Subdivision Name2: | Limburg |
| Subdivision Name3: | Maaseik |
| Subdivision Name4: | Oudsbergen |
| Area Total Km2: | 25.06 |
| Population As Of: | 2021 |
| Population Footnotes: | [1] |
| Population Total: | 10,403 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Coordinates: | 51.05°N 40°W |
| Postal Code Type: | Postal code |
| Postal Code: | 3660 |
| Area Code Type: | Dialing code |
| Area Code: | 089 |
| Website: | www.opglabbeek.be |
Opglabbeek (in Dutch; Flemish pronounced as /ˈɔpˌxlɑbeːk/; Limburgan; Limburger; Limburgish: Glabbek) is a village, former municipality located in the Belgian province of Limburg. In 2018, Opglabbeek had a total population of 10,332. The total area is 24.98 km2.[2]
The municipality consisted of the following communities: Opglabbeek proper, Nieuwe Kempen, and Louwel.
Effective 1 January 2019, Opglabbeek and Meeuwen-Gruitrode were merged into the new municipality of Oudsbergen.