| Official Name: | Guélengdeng |
| Native Name: | جليندينغ |
| Pushpin Map: | Chad |
| Pushpin Mapsize: | 300 |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Chad |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Mayo-Kebbi Est |
| Subdivision Type3: | Sub-Prefecture |
| Subdivision Name3: | Guélengdeng |
| Unit Pref: | Imperial |
| Population As Of: | 2009 |
| Population Footnotes: | [1] |
| Population Total: | 16,320 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | UTC+1 |
| Coordinates: | 10.9183°N 15.5486°W |
| Elevation M: | 294 |
Guélengdeng (Arabic: جليندينغ) is a city in the Mayo-Kebbi Est Region, Chad. It is the administrative center of Mayo Lemie.
Population by years:
| 8,379 | 16,320 |