| Official Name: | Ghilassa |
| Settlement Type: | Commune and town |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Name1: | Bordj Bou Arréridj Province |
| Subdivision Type2: | District |
| Unit Pref: | Imperial |
| Population As Of: | 1998 |
| Population Total: | 10959 |
| Utc Offset: | +1 |
Ghilassa is a town and commune in Bordj Bou Arréridj Province, Algeria. According to the 1998 census it has a population of 10,959.[1]