| Official Name: | Qez Qaleh-ye Bozorg |
| Native Name: | قزقلعه بزرگ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Alborz |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Mohammadiyeh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Hesar Kharvan |
| Population As Of: | 2006 |
| Population Total: | 34 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.2964°N 50.3033°W |
Qez Qaleh-ye Bozorg (Persian: قزقلعه بزرگ, also Romanized as Qez Qal‘eh-ye Bozorg; also known as Qez Qal‘eh) is a village in Hesar Kharvan Rural District, Mohammadiyeh District, Alborz County, Qazvin Province, Iran. At the 2006 census, its population was 34, in 14 families.