| Native Name: | غسول |
| Native Name Lang: | ar |
| Type: | city |
| Mapsize: | 180px |
| Pushpin Map: | Algeria |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Type1: | Province |
| Subdivision Type2: | District |
| Seat Type: | District seat |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01 |
| Postal Code Type: | Postal code |
| Blank Name Sec1: | ONS code |
Ghassoul (Arabic: غسول) is a municipality in El Bayadh Province, Algeria. It is part of Brézina District and has a population of 5.179, which gives it seven seats in the PMA. Its postal code is 32150, and its municipal code is 3205.
It is also the name of a red Moroccan clay (sometimes known as Rhassoul) dug in the Atlas mountains.