| Official Name: | Ben Guerir |
| Native Name: | بن ڭرير |
| Settlement Type: | City |
| Mapsize: | 200 |
| Pushpin Map: | Morocco#Africa |
| Pushpin Relief: | 1 |
| Subdivision Type: | Country |
| Subdivision Name: | Morocco |
| Subdivision Type1: | Region |
| Subdivision Name1: | Marrakesh-Safi |
| Subdivision Type2: | Province |
| Subdivision Name2: | Rehamna |
| Leader Title: | Mayor |
| Leader Name: | Thami Mouhib |
| Unit Pref: | Metric |
| Population As Of: | 2014 |
| Population Footnotes: | [1] |
| Population Total: | 88626 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Coordinates: | 32.243°N -7.9596°W |
| Elevation M: | 449 |
| Postal Code Type: | ZIP codes |
Ben Guerir (Arabic: بن ڭرير) is a university town and military town that serves as the capital of Rehamna Province in central Morocco, in the Marrakesh-Safi region. it hosts Mohammed VI Polytechnic University and Ben Guerir Air Base. The city is known for the production of phosphate rock, OCP Group announced plans to make Ben Guerir into a green city.According to the 2014 Moroccan census Ben Guerir has a population of 88,626 inhabitants,[1] up from 62,693 in 2004.,[2] The city is in the territory of the Rahamna tribe.